English words: fetotoxic to fiberoptic

300 English words, part 23 of 85 of the words starting with F, A to Z. 38 have a page of their own.

English words fetotoxic to fiberoptic

fetotoxic adjective: Toxic to fetuses.
fetotoxicity noun: toxicity to the fetus via the placenta
fetta noun: Alternative spelling of feta.
fetta cheese noun: feta
Fette proper noun: A surname from German.
fettelite noun: A monoclinic-sphenoidal grayish white mineral containing antimony, arsenic, copper, iron, lead, mercury, silver, sulfur, and thallium.
fetter noun, verb /ˈfet.ə/: A chain or similar object used to bind a person or animal, often by its legs.
fetterbush noun: Leucothoe spp., especially
fettered adjective, verb /ˈfɛtəd/: Bound by chains or shackles.
fetterer noun: One who fetters.
fettering noun, verb: The act by which something is fettered or constricted.
fetterless adjective: Without fetters.
fetterlessness noun: Freedom from fetters.
fetterlock noun: A shackle or lock.
Fetterman proper noun: A surname.
Fettesian adjective, noun: Of or relating to Fettes College, a co-educational independent boarding and day school in Edinburgh, Scotland.
fetti noun: Money.
fetticus noun: corn salad or mâche, Valerianella locusta, a plant whose leaves are used in salads.
Fettig proper noun: A surname.
fettle noun, verb /ˈfɛtl̩/: A state of physical condition; kilter or trim.
fettler noun: A person who maintains railway lines.
fettling noun, verb: Repairing; mending; sorting.
fettucce noun: A wide form of fettuccine pasta.
fettuccelle noun: A narrow form of fettuccine pasta.
fettuccine noun /ˌfɛtəˈtʃiːni/: Long, flat ribbons of pasta, cut from a rolled-out sheet; identical in form to tagliatelle.
fettuccine Alfredo noun: Fettuccine pasta served with a sauce containing cream, parmigiano, nutmeg and pepper.
fettuccini noun /ˌfɛtəˈt͡ʃini/: A long, broad, thick noodle; a type of pasta having this shape.
fettucini noun: Alternative spelling of fettuccini.
fetty noun /ˈfɛti/: Fentanyl.
fetucide noun: Alternative spelling of feticide.
fetuin noun: Any of a family of plasma glycoproteins, secreted from the liver into the bloodstream
fetuine noun: Alternative form of fetuin.
fetus noun /ˈfiːtəs/: An unborn or unhatched vertebrate showing signs of the mature animal.
fetus deletus phrase: Used to call for or reference the act of getting an abortion (hence destroying the fetus).
fetus in fetu noun: A fetus growing inside the body of another fetus, either from an unsuccessful twin pregnancy, or as a tumorlike growth.
fetus papyraceus noun: A vanishing twin that, rather than being completely reabsorbed, is compressed by its growing twin to a flattened, parchment-like condition.
fetuslike adjective: Resembling or characteristic of a fetus.
Fetzer proper noun: A surname.
feu noun, verb /fjuː/: Land held in feudal tenure.
feu de joie noun: A bonfire.
feu duty noun: Money payable by the tenant of a feu to the feudal superior.
feuage noun: The feu system of land tenure.
feuar noun /ˈfjuːə/: One who holds a feu.
feud noun, verb /fjuːd/: A state of long-standing mutual hostility.
feudal adjective /ˈfjuːdəl/: Of, or relating to feudalism.
feudal law noun: Used other than figuratively or idiomatically: see feudal, law.
feudal lord noun: A lord in a feudal system, one who bestows fiefs on vassals in exchange for homage, fealty, and obligations of personal services or rent.
feudal rush noun: The strategy of assaulting the enemy with feudal age units very early.
feudal system noun: feudalism
feudalisation noun: Alternative form of feudalization.
feudalise verb: Alternative spelling of feudalize.
feudalism noun /ˈfju.də.lɪ.zəm/: A social system based on personal ownership of resources and personal fealty between a suzerain (lord) and a vassal (subject). Defining characteristics are...
feudalist adjective, noun /ˈfjuːdəlɪst/: An advocate or practitioner of feudalism.
feudalistic adjective: Of, pertaining to, or characteristic of feudalism, feudal.
feudality noun: The state or quality of being feudal; feudal form or constitution.
feudalization noun: The introduction of a feudal system.
feudalize verb /ˈfjuːdəlaɪz/: To make something feudal.
feudally adverb: In a feudal manner.
feudary adjective, noun: Held by, or relating to, feudal tenure.
feudatary noun: Alternative form of feudatory.
feudatorial adjective: Synonym of feudatory.
feudatory adjective, noun /ˈfjuːdətəɹɪ/: Relating to feudalism, feudal.
feudatory state noun: any of the Indian feudal states which operated their own internal postal services during the time of the British Empire, issuing stamps that were only valid...
feuder noun: One who feuds.
feuding noun, verb: Participation in feuds.
feudist noun: One who takes part in feuds.
feudlike adjective: Resembling or characteristic of a feud.
feuduty noun: Alternative form of feu duty.
Feuerbach proper noun: A surname.
Feuerbach point noun: A kind of triangle center, defined as the point at which the incircle and nine-point circle of the triangle are internally tangent to each other.
Feuerbachian adjective: Of or relating to Ludwig von Feuerbach (1804–1872), German philosopher and anthropologist.
Feuerstein proper noun: A surname from German.
Feuerstein and Mims syndrome noun: A rare disease consisting of extensive epidermal nevi and bodily abnormalities.
Feuerstein-Mims syndrome noun: Synonym of Schimmelpenning syndrome
Feuillant noun: A member of a reformed branch of the Bernardines, founded in 1577 at Feuillans, near Toulouse, in France.
Feuillantism noun: The beliefs and practices of the Feuillants.
feuille-morte adjective: Alternative form of feuillemorte.
feuillemort adjective /fɔɪ.mɔɹ/: Alternative form of feuillemorte.
feuillemorte adjective /fɔɪ.mɔɹt/: Of the color of dead or dying leaves: dull yellowish or orangish brown.
feuilleté noun /fə.jə.teɪ/: A dish made with thin layers of puff pastry.
feuilletine noun: Crispy flakes of crêpe used in desserts.
feuilleton noun /ˈfəːɪtɒ̃/: A section of a European newspaper typically dedicated to arts, culture, criticism, and light literature.
feuilletonism noun: The light, entertaining writing style associated with feuilletons.
feuilletonist noun: A writer of feuilletons.
feuilletonistic adjective: Characteristic of feuilletonism.
Feulgen adjective: Of or relating to the Feulgen stain or Feulgen reaction.
Feulgen reaction noun: The reaction involved in the Feulgen stain.
Feulgen stain noun: A histological stain used to identify chromosomal material or DNA in cell specimens, based on acid hydrolysis of DNA.
Feulner proper noun: A surname from German.
feuter noun: Alternative form of fewter.
feuterer noun: A keeper of dogs, especially of greyhounds.
feutre noun, verb: Alternative form of fewter.
FEV noun: femtoelectronvolt
fever noun, verb /ˈfiːvə/: A higher than normal body temperature of a person (or, generally, a mammal), usually caused by disease.
fever and ague noun: malaria
fever blister noun: A cold sore, an outbreak of vesicles caused by herpes simplex viral infection, especially when recurring during another illness that causes fever.
fever bush noun: American winterberry, Ilex verticillata.
fever clinic noun: A medical facility specially set up to diagnose people with fever in isolation.
fever coat noun: A grey coloration found in some litters of kittens of unknown origin, outgrown in cathood
fever dream noun: An intense or confusing dream, often caused by fever.
fever-dreamlike adjective: Resembling or characteristic of a fever dream.
fever fog noun: Any mist rising from swampy ground, formerly believed to cause fever; a miasma.
fever grass noun: Any grass of the genus Cymbopogon.
fever lurden noun: Lurgy. (laziness regarded as a notional disease)
fever pitch noun /ˈfiːvə pɪtʃ/: Extreme excitement.
fever-pitched adjective: At fever pitch; extremely excited.
fever powder noun: Synonym of James's powder.
fever-ridden adjective: Experiencing an epidemic of one of the diseases known as fever (such as yellow fever).
fever swamp noun: An area of stagnant water and hot temperatures that acts as a breeding ground for disease vectors such as mosquitos.
fever tea noun: Lippia javanica, an African shrub with medicinal properties.
fever trap noun: A place where people are likely to contract a fever.
fever tree noun: An acacia tree of species Vachellia xanthophloea, native to eastern and southern Africa, with fragrant yellow flowers.
feverbush noun: Alternative form of fever bush.
fevered adjective, verb: Affected by a fever; feverish.
feveret noun: A slight fever.
feverfew noun: A European aromatic perennial herb, Tanacetum parthenium (or Chrysanthemum parthenium or Pyrethrum parthenium), having daisy-like flowers; valued as a...
feverish adjective /ˈfiː.və.ɹɪʃ/: Having a fever, an elevated body temperature.
feverishly adverb /ˈfiː.və.ɹɪʃ.li/: With excitement and determination.
feverishness noun /ˈfivəɹəʃnəs/: The quality of being feverish.
feverless adjective: Without a fever.
feverlessly adverb: In an feverless manner.
feverlessness noun: Absence of fever.
feverlike adjective: Resembling or characteristic of a fever.
feverous adjective: affected with a fever.
feverously adverb: In a feverous way.
feverroot noun: A plant of species Ruellia tuberosa.
feversome adjective: Characterised or marked by fever.
fevertwig noun: Synonym of bittersweet (“the plant Solanum dulcamara”).
feverweed noun: The plant Eupatorium purpureum.
feverwort noun: A plant of the genus Centaurium.
fevery adjective: Similar to a fever; feverlike.
fevga noun: A Greek game resembling backgammon.
few determiner, pronoun /fjuː/: An indefinite, but usually small, number of.
few and far between adjective: Rare and scarce; hard to find.
few cards short of a full deck adjective: Alternative form of few cards shy of a full deck.
few cards shy of a full deck adjective: Mentally deranged; demented; insane.
few-flowered sedge noun: A sedge species, Carex pauciflora.
few sandwiches short of a picnic phrase: Exhibiting disquiet or unsoundness of mind; not sane; mad.
few-shot adjective: A machine learning paradigm where a model is trained on a very small amount of data, typically less than that required for traditional machine learning...
few-shot learning noun: An object categorization problem, mainly in computer vision, involving the classification of objects based on only a few examples.
fewa contraction: Contraction of few + of.
Fewell proper noun: A surname.
fewer determiner /ˈfjuː.ɚ/: comparative degree of few; a smaller number.
fewfold adjective, adverb: By a multiple of a few; by a few times as much or as many.
Fewkes proper noun: A surname.
fewl noun: Alternative spelling of fool (“foolish person”).
fewly adverb: In small numbers.
fewness noun: The state, quality, or condition of being few.
fewnomial noun: A polynomial with few monomials.
fewscore determiner: A few score: on the order of a small multiple of twenty.
fewsome adjective, noun: Alternative form of fusome.
fewte noun: Signs left by game that is hunted, such as tracks or scent, the track itself.
fewter noun, verb /ˈfjuːtə/: A support or holder for a spear, attached to a saddle or breastplate.
fewterer noun: Alternative spelling of feuterer.
fewterlock noun: A fetlock.
fewtrils noun /ˈfjuːtɹɪlz/: Little or unimportant things; trifles.
fexinidazole noun: A drug being investigated for the treatment of sleeping sickness.
fexofenadine noun: A second-generation antihistamine drug used in the treatment of hay fever and similar allergies.
fext noun, verb: An aggressive text message.
fexting noun, verb: The act of sending a fext.
fey adjective, noun, verb /feɪ/: About to die; doomed; on the verge of sudden or violent death.
feydom noun: The state of being fey or doomed.
Feyenoord proper noun: Feyenoord Rotterdam, a football club from Rotterdam
Feyerabendian adjective: Of or relating to Paul Feyerabend (1924–1994), Austrian-born philosopher of science.
feygele noun /feɪɡələ/: A little bird.
feygeleh noun: Alternative spelling of feygele.
feyly adverb: In a fey way.
feyness noun: The state of being fey.
Feynman proper noun: A surname.
Feynman diagram noun /ˈfaɪnmən ˈdaɪəɡɹæm/: A pictorial representation of the interactions of subatomic particles, showing their paths in space and time as lines, and their interactions as points...
Feynman-Smoluchowski ratchet noun: Synonym of Brownian ratchet.
Feynmanian adjective: Of or relating to Richard Feynman (1918–1988), American theoretical physicist known for his work in quantum mechanics, quantum electrodynamics, and particle...
feynmanium noun: The hypothetical chemical element with atomic number 137.
fez noun /fɛz/: A felt hat in the shape of a truncated cone, having a flat top with a tassel attached.
fezakinumab noun: A human monoclonal antibody against interleukin-22, designed for the treatment of psoriasis and rheumatoid arthritis.
fezless adjective: not wearing a fez
fezlike adjective: Resembling a fez.
fezolamine noun: An antidepressant drug.
fezolinetant noun: A medication to treat vasomotor symptoms due to menopause.
Fezzan proper noun /fɛˈzɑːn/: The southwestern region of Libya.
Fezzanese noun: Fezzani
Fezzani noun: The people of Fezzan in Libya.
fezzed adjective: Wearing a fez; befezzed.
ff adjective, letter, noun, phrase, verb: Abbreviation of frigate, a type of warship.
ff-hole noun: A sound hole, shaped like the letters ff, through the top surface of a string instrument.
FFA noun: Initialism of Fellow of the Faculty of Actuaries (professional qualification).
FFAR noun: Initialism of Folding-Fin Aerial Rocket.
FFB adjective, noun: Initialism of force feedback.
FFC noun: Initialism of Front-Facing Camera (used in smartphones).
FFD verb: Abbreviation of fast forward.
FFE noun: Initialism of furniture, fixtures, and equipment.
Ffestiniog proper noun: A community (civil parish) with a town council in Gwynedd, Wales, which includes Blaenau Ffestiniog and Llan Ffestiniog.
FFF noun: Initialism of fused filament fabrication.
fffffffuuuuuuuuuuuu interjection: Elongated form of fu (clipping of fuck).
FFFP noun: Initialism of film-forming fluoroprotein (“type of foam used in firefighting”).
FFG noun: Abbreviation of guided-missile frigate
FFI noun: Initialism of fatal familial insomnia.
FFLO adjective: pertaining to FFLO phase
FFLO phase noun: A type of superconducting phase, characterized by the presence of Cooper pairs with nonzero center-of-mass momentum and a spatially non-uniform...
FFM noun: Abbreviation of fat free mass.
FFO noun, prepositional phrase: Initialism of funds from operations.
fforde proper noun: A surname: compare Fforde.
ffoulkes proper noun: A surname
FFP noun: Initialism of fresh frozen plasma.
FFQ noun: Initialism of fit-and-finish quality.
FFQA noun: Initialism of fit-and-finish quality assessment.
FFR noun: Abbreviation of filtering facepiece respirator.
ffrench proper noun: An Irish barony, originally from Castle ffrench in Galway.
FFT noun: Initialism of fast Fourier transform.
FFTS noun: Initialism of feto-fetal transfusion syndrome
FFU syndrome noun: Abbreviation of femur fibula ulna syndrome.
FFV noun: Initialism of flexible-fuel vehicle.
FFW phrase: Initialism of fast forward.
fg adjective, adverb, noun, verb: Initialism of field goal.
FG syndrome noun: A rare genetic disorder linked to the X chromosome, causing physical anomalies and developmental delays, characterised by retardation, hyperactive...
FGA noun: Initialism of first-generation antipsychotic.
FGAM noun: Abbreviation of phosphoribosylformylglycinamidine.
FGAM Synthase noun: FGAM synthase
FGC noun: Initialism of female genital cutting.
FGCC noun: Initialism of functionally graded cementitious composite.
FGF noun: Initialism of fibroblast growth factor.
FGFR noun: Initialism of fibroblast growth factor receptor.
fggot noun: Censored spelling of faggot (“a homosexual man”).
fgirl noun: Abbreviation of fuck girl.
FGLI adjective: Acronym of first-generation, low-income
FGly noun: Abbreviation of C-alpha-formylglycine.
FGM noun: Initialism of female genital mutilation.
FGR noun: Initialism of fetal growth restriction.
fgs interjection, noun: Initialism of for God's sake.
fgt noun: Filter-avoidance spelling of faggot (“a male homosexual”).
FH noun: Initialism of familial hypercholesterolemia.
FHAB noun: Initialism of freshwater harmful algal bloom.
FHD noun: Initialism of full high definition (“1920×1080 pixels”).
FHE noun: Initialism of family home evening.
FHP noun: Initialism of forward head posture
FHR noun: Initialism of fetal heart rate.
fi noun, preposition /fiː/: The solfeggio syllable used to indicate the sharp of the fourth note of a major scale.
fi fa noun: Abbreviation of fieri facias.
fi-fi adjective: Scandalous; immoral; applied to literature and stories.
FIA curbing noun: The specialized, elevated curbing installed on the apexes and outside edges of professional motorsport tracks.
fiacitabine noun: A particular pyrimidine nucleoside analogue used as an antiviral drug.
fiacre noun /fɪˈɑːkɹə/: A small horse-drawn carriage for hire; a hackney carriage.
fiador noun /ˈfi.ədɔɹ/: A collar worn by a horse, immediately behind the head, to which a handle, strap, or rope may be attached.
fialuridine noun: A nucleoside analogue.
fiamma noun: A "flame structure" found in welded ignimbrite and tuff: a small, dark lens of glassy material (possibly pumice which was compressed or collapsed during...
Fian noun: A member of the small bands of warriors and hunters in Gaelic Ireland during the Iron Age and early Middle Ages.
fiancé noun, verb /fiˈɑnseɪ/: A man who is engaged to be married; the man to whom one is engaged; an intended.
fiancée noun /fiˈɒ̃.seɪ/: A woman who is engaged to be married; the woman to whom one is engaged.
fianchetto noun, verb /fɪənˈt͡ʃɛtəʊ/: The development of a bishop by moving it one square to a long diagonal; specifically, a set of opening moves where a bishop is developed to the second rank...
fianelite noun: A monoclinic-prismatic orange red mineral containing arsenic, hydrogen, manganese, oxygen, and vanadium.
fiants noun: The dung of the wolf, fox or badger.
fiar noun: One in whom the property of an estate is vested, subject to the estate of a liferenter.
fiard noun: Alternative form of fjard.
fiasco noun /fiˈæs.kəʊ/: A sudden or unexpected failure.
fiat noun, verb /ˈfaɪæt/: An arbitrary or authoritative command or order to do something; an effectual decree.
fiat currency noun: Synonym of fiat money.
fiat lux phrase: Let there be light, especially in the context of light being a metaphor for wisdom.
fiat money noun: A type of currency that a government declares as legal tender, deriving its value from public trust and regulatory decree rather than any intrinsic worth...
fiawol phrase /ˈfi.əˌwɔl/: Initialism of fandom is a way of life.
fib noun, verb /fɪb/: A lie, especially one that is more or less inconsequential.
FIBA proper noun [ˈfibə]: The International Basketball Federation.
-fiban suffix /ˈfaɪ.bæn/: Used to form names of fibrinogen receptor antagonists.
fibber noun: A liar.
Fibber McGee's closet noun: A source of clutter, especially a messy area or room.
fibbery noun: The telling of fibs; lying, falsehood.
fibbie noun: An FBI agent.
fibbing noun, verb: The telling of a lie.
fibble-fable noun: Alternative spelling of fible-fable
fiber noun /ˈfaɪ.bɚ/: A single elongated piece of a given material, roughly round in cross-section, often twisted with other fibers to form thread.
fiber art noun: The use of fibers to create fine art.
fiber arts noun: Collectively, crafts involving threads and yarns.
fiber bundle noun: Synonym of vascular bundle.
fiber clay noun: Synonym of paper clay.
fiber gun noun: A kind of steam gun for converting, wood, straw, etc., into fiber. The material is shut up in the gun with steam, air, or gas at a very high pressure which...
fiber optic adjective: Alternative spelling of fibre optic.
fiber optics noun: Alternative form of fibre optics.
fiber plant noun: a plant species cultivated because its fibers have artisanal and/or industrial uses, e.g. as raw material for fabrics.
fiberboard noun: A material made from wood chips or shavings, which are compressed and bonded with resin and formed into stiff sheets, and used in building or making furniture.
fiberclay noun: Alternative form of fiber clay.
fibercle noun: A scar on the thallus resulting from the breaking of attached fibrils.
fibercraft noun: Alternative form of fibrecraft.
fibered adjective: Having fibers/fibres.
fiberedness noun: The condition of being fibered
fiberfill noun: A lightweight synthetic fiber used as insulation in clothing
fibergastroscope noun: Alternative form of fibrogastroscope
fibergastroscopic adjective: Alternative form of fibrogastroscopic
fibergastroscopy noun: Alternative form of fibrogastroscopy
fiberglas noun: Dated form of fiberglass.
fiberglass noun, verb: Alternative form of fibreglass.
fiberglassy adjective: Resembling or characteristic of fiberglass.
fibering noun: A fiber ring
fiberise verb: Non-Oxford British English spelling of fiberize.
fiberization noun: The process of fiberizing.
fiberize verb: To break (up) into fibers, shred to fine threads.
fiberizer noun: A machine that fiberizes.
fiberless adjective: Lacking fibers
fiberlessness noun: Absence of fiber or fibers.
fiberlike adjective: Like fiber; fibrous.
fibermaxxing noun, verb: The act of maximizing the amount of dietary fiber that one intakes.
fiberoptic adjective: Alternative form of fibre optic.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0): each word's first meaning. A word with a page of its own links to it; for the rest, this line is PlainSpell's entry. Total under F: 25,498 words, in 85 parts.