English words: undeliberately to underactuated

300 English words, part 23 of 88 of the words starting with U, A to Z. 13 have a page of their own.

English words undeliberately to underactuated

undeliberately adverb: In an undeliberate manner.
undeliberateness noun: The state or condition of being undeliberate.
undeliberating adjective: Not deliberating.
undeliberative adjective: Not deliberative.
undelicate adjective: Synonym of indelicate.
undelicious adjective: Not delicious; disagreeable to the senses.
undelight noun: The condition or feeling of lacking delight; unhappiness or displeasure.
undelighted adjective: Not delighted.
undelightful adjective: Not delightful.
undelightfully adverb: In a way that is not delightful.
undelightfulness noun: The quality of being undelightful.
undelighting adjective: Not causing delight.
undelightsome adjective: Not delightsome.
undelimitated adjective: Not delimitated.
undelimited adjective: Not delimited.
undelineated adjective: Not delineated.
undelirious adjective: Not delirious.
undeliverability noun: The state or quality of being undeliverable.
undeliverable adjective, noun: Not able to be delivered.
undeliverableness noun: The quality of being undeliverable.
undelivered adjective: Not delivered.
undeludable adjective: That cannot be deluded.
undelude verb: To free from delusion.
undeluded adjective: Not deluded.
undeluged adjective: Not deluged.
undelusional adjective: Not delusional.
undelusive adjective: Not delusive.
undelve verb: To reveal by delving; to dig up.
undelved adjective: Not delved or dug.
undemagnetizable adjective: Not demagnetizable.
undemanded adjective: not asked for, not demanded, unsought
undemanding adjective: Not demanding
undemandingly adverb: In an undemanding way; not demanding anything or anyone
undemandingness noun: The quality of being undemanding; lack of difficulty or challenge.
undemarcated adjective: Not demarcated.
undemeaned adjective: Not demeaned.
undemeaning adjective: Not demeaning.
undemented adjective: Not demented.
undemilitarized adjective: Not demilitarized.
undemineralized adjective: Not demineralized
undemised adjective: Not demised.
undemocratic adjective: Not democratic.
undemocratically adverb: In an undemocratic manner; not democratically.
undemocraticness noun: The quality or state of being undemocratic.
undemocratisation noun: Alternative spelling of undemocratization.
undemocratise verb: Alternative spelling of undemocratize.
undemocratizable adjective: Incapable of being democratized.
undemocratization noun: the act or process of undemocratizing
undemocratize verb: To make not democratic, or less democratic
undemocratized adjective, verb: Not yet made democratic; not democratized
undemolish verb: To undo the demolition of.
undemolishable adjective: Not demolishable.
undemolished adjective: Not demolished.
undemonic adjective: Not demonic.
undemonization noun: Synonym of dedemonization.
undemonized adjective: Not demonized.
undemonstrability noun: The state or condition of being undemonstrable.
undemonstrable adjective /ˌʌndəˈmɒnstɹəbl̩/: Not demonstrable.
undemonstrably adverb /ˌʌndəˈmɒnstɹəbli/: Such that it cannot be demonstrated.
undemonstratable adjective: That cannot be demonstrated.
undemonstrated adjective: Not demonstrated.
undemonstrative adjective /ˌʌn dəˈmɒn stɹə tɪv/: Not given to showing emotion or feelings; reserved or distant.
undemonstratively adverb: In an undemonstrative manner.
undemonstrativeness noun: The state or quality of being undemonstrative.
undemoralized adjective: Not demoralized.
undemoralizing adjective: Not demoralizing.
undemoted adjective: Not demoted.
undemure adjective: Not demure.
undemurring adjective: Not demurring.
undenary adjective: In base (radix) eleven.
undenatured adjective: Not denatured.
undeniability noun: The quality of being undeniable.
undeniable adjective /ˌʌn.dɪˈnaɪ.(j)ə.bəɫ/: Irrefutable, or impossible to deny.
undeniableness noun: The quality of being undeniable.
undeniably adverb: In an undeniable manner, or to an undeniable extent.
undenied adjective: Not denied
undeniedly adverb: Without being denied.
undenizened adjective: Without denizens; unpopulated.
undenoised adjective: From which noise has not been removed.
undenominated adjective: Not denominated
undenominational adjective: Nondenominational: not denominational, used e.g. of a church.
undenominationalise verb: Alternative form of undenominationalize.
undenominationalism noun: Synonym of nondenominationalism.
undenominationalist noun: Synonym of nondenominationalist.
undenominationalize verb: To free from the influence of a religious denomination.
undenominationally adverb: In an undenominational manner.
undenotability noun: The quality of being undenotable.
undenotable adjective: That cannot be denoted.
undenoted adjective: Not denoted.
undenounceable adjective: unable to be denounced; unimpeachable
undenounced adjective: Not denounced.
undensitized adjective: Not densitized
undent verb: To remove a dent from.
undentable adjective: Not dentable; impossible to dent.
undentalized adjective: Not dentalized.
undented adjective: Not dented.
undenticulated adjective: Not denticulated
undenuded adjective: Not denuded.
undeodorized adjective: Not deodorized.
undeparted adjective: Not departed.
undeparting adjective: That does not depart.
undepartmentalized adjective: Not divided into departments; not departmentalized
undependability noun: The quality of being undependable.
undependable adjective: Not dependable.
undependableness noun: The quality of not being dependable.
undependably adverb: In an undependable manner; such that it cannot be relied upon.
undepended adjective: Synonym of independent.
undependent adjective: Not dependent.
undepending adjective: independent
undephlegmated adjective: Not dephlegmated.
undepictable adjective: Impossible to depict.
undepicted adjective: Not having been depicted.
undepletable adjective: Impossible to deplete.
undepleted adjective: that has not been depleted
undeplored adjective: Not deplored.
undeploy verb: To undo the deployment of; to revert to a state prior to deployment of.
undeployable adjective: That cannot be deployed.
undeployed adjective, verb: Not deployed.
undeployment noun: A reversal of a deployment.
undeport verb /ʌndɪˈpɔːt/: To return (someone previously deported).
undeportable adjective: Not deportable.
undeported adjective, verb: Not deported.
undeposable adjective: not deposable
undeposed adjective: Not deposed.
undeposited adjective: Not deposited.
undepraved adjective: Not morally depraved or corrupted.
undepravedness noun: The quality of being undepraved.
undeprecated adjective: Not deprecated.
undepreciated adjective: Not depreciated.
undepressed adjective: Not depressed.
undepressible adjective: Not depressible.
undepressing adjective: Not depressing.
undepression noun: Absence or reversal of a depressed state
undeprivable adjective: Of which one cannot be deprived.
undeprived adjective: Not deprived.
undeprotonated adjective: Not deprotonated
undepurated adjective: Not depurated.
undeputed adjective: Not deputed.
undeputized adjective: Not deputized.
under adjective, adverb, noun, prefix, preposition /ˈʌndə/: Beneath; below; at or to the bottom of, or the area covered or surmounted by.
under a cloud prepositional phrase /ˈʌn.dɚ ə klaʊd/: Of an uncertain future due to an anticipated threat or change in circumstance.
under a lucky star prepositional phrase: Under or in fortunate circumstances.
under a spell prepositional phrase: Bewitched; held (as if) by the power of a magical spell.
under-accommodate verb: To adjust the focal point of the eye so that the image of the target falls short of the retina.
under-accommodated adjective, verb: Involving a focal point that falls short of the retina.
under-accommodating adjective, verb: Insufficiently accommodating.
under-accommodation noun: Alternative form of underaccommodation.
under and over noun: Synonym of over and under (“type of gun”).
under-approximate verb: Alternative spelling of underapproximate.
under-approximation noun: Alternative spelling of underapproximation.
under arms adjective: Equipped with weapons (of a country, army etc.); in a state of armed, military readiness.
under arrest prepositional phrase: Arrested by the police.
under-attend verb: Alternative form of underattend.
under-attended adjective, verb: Attended by too few people.
under-awed adjective: Alternative form of underawed.
under boob noun: Alternative form of underboob.
under canvas prepositional phrase: Having the sails unfurled, under sail; travelling by ship or boat.
under-carter noun: A carter's assistant.
under center prepositional phrase: Playing at the quarterback position.
under clothes noun: Alternative spelling of underclothes.
under construction prepositional phrase: Being currently constructed.
under control prepositional phrase: Being taken care of or being addressed.
under correction prepositional phrase: Subject to being corrected, if mistaken.
under cover prepositional phrase: Protected by a covering or shelter.
under cover of darkness prepositional phrase: Synonym of under cover of night.
under cover of night prepositional phrase: Hidden or protected by the darkness of night.
under-diversification noun: Alternative form of underdiversification.
under-diversify verb: Alternative form of underdiversify.
under-dose noun, verb: Alternative form of underdose.
under-educated adjective: Alternative form of undereducated.
under-endowed adjective: Alternative form of underendowed.
under erasure prepositional phrase: Of a piece of text, written and struck through; hence, figuratively in some sense both present and absent.
under-extension noun: Alternative form of underextension.
under-eye adjective, noun: Alternative form of undereye.
under-eye bag noun: Synonym of eyebag (“mild swelling or puffiness under and around the eye, generally caused by lack of sleep or illness”).
under fire prepositional phrase /ˈʌndɚ faɪɚ/: Subjected to enemy attack with firearms.
under-fired adjective: Alternative form of underfired.
under glass prepositional phrase: In a greenhouse, a cold frame, or a similar structure; said of the propagation and growth of plants.
under ground adverb: Alternative form of underground.
under-grounder noun: Alternative spelling of undergrounder.
under hack prepositional phrase: under arrest
under-handed adjective, adverb: Alternative form of underhanded.
under-handedly adverb: Alternative form of underhandedly.
under-handedness noun: Alternative form of underhandedness.
under hatches prepositional phrase: Confined below in a vessel.
under-hedging noun: Hedging to an insufficient extent, such that some future risk remains.
under-kimono noun: A garment worn underneath a kimono.
under lock and key prepositional phrase: Imprisoned with little or no chance of escape; locked up.
under-manager noun: Alternative form of undermanager.
under no circumstance prepositional phrase: In no case, whatever happens; never.
under no circumstances prepositional phrase: Never ever, not for any reason.
under oath prepositional phrase: Having sworn or affirmed in a legally binding way to tell the truth.
under one roof phrase: at the same location
under one's arm prepositional phrase: Between one's arm and torso.
under one's belt prepositional phrase: Already done; within one's experience; practiced.
under one's breath prepositional phrase: Softly, so as not to be heard.
under one's feet adverb: Being a nuisance because of being in the way.
under one's hand prepositional phrase: With one's proper signature attached.
under one's hat prepositional phrase: Concealed; confidential; secret.
under one's own steam prepositional phrase /ˌʌndə ˈwʌnz əʊn ˈstiːm/: Of the movement of a locomotive or a watercraft: by means of the power of its own engines (originally steam engines), rather than pulled or pushed by...
under one's thumb prepositional phrase: Completely controlled by someone; at someone's command.
under one's very eyes adverb: in plain sight; while someone is watching
under one's very nose prepositional phrase: Alternative form of under one's nose.
under one's wing prepositional phrase: Under one's protection, sponsorship, or tutelage.
under over noun: A gambling game where players bet on whether a number of rolled dice will sum to less than, more than, or exactly seven.
under-oxygenated adjective: Alternative form of underoxygenated.
under pain of preposition: Synonym of on pain of.
under par prepositional phrase: below par
under-petticoat noun: Alternative form of underpetticoat.
under protest prepositional phrase: while protesting
under-punctuation noun: Alternative form of underpunctuation.
under-represent verb: Alternative form of underrepresent.
under-representation noun: Alternative form of underrepresentation.
under-represented adjective, verb: having inadequate representation.
under-resourced adjective: Alternative form of underresourced.
under-ripe adjective: Alternative spelling of underripe.
under sail prepositional phrase: With sails unfurled; powered by the wind.
under seal prepositional phrase: Bearing a seal.
Under Secretary noun: Alternative spelling of undersecretary.
under-sergeant noun: A non-commissioned officer army rank immediately below a sergeant; corporal.
under-served adjective: Alternative spelling of underserved.
under someone's nose prepositional phrase: Directly in front of one; clearly visible.
under someone's roof prepositional phrase: In someone's house.
under-spur-leather noun: Subordinate, underling.
under square adjective: Of internal combustion engine designs, having the bore less than the stroke: that is, having the piston's diameter less than its travel distance.
under-stander noun: One who is at the base of a formation of acrobats in a performance, as of a human pyramid.
under-steward noun: A deputy or an assistant to a steward.
under-tenant noun: Alternative form of undertenant.
under the auspices of preposition: With the help, support, or protection of someone or something.
under the bootheel of phrase: Subjugated by (an oppressive force).
under the breath prepositional phrase: under one's breath; spoken very softly
under the carpet prepositional phrase: So as to be hidden from plain view (and thus easily ignored or overlooked).
under the cosh prepositional phrase: subjected to (figurative) pressure; under the gun
under the counter adjective, adverb: Illicitly, against regulations, of goods kept under the serving counter in a shop to be unobtrusively passed to a customer who knows they are available for...
under the covers prepositional phrase: In bed, under the bed covers.
under the fist of preposition: Being oppressed, controlled or dominated by someone or something.
under the gun prepositional phrase: Under great pressure to perform.
under the hammer prepositional phrase: For sale by auction.
under the hood prepositional phrase: Beneath the surface; in the internal workings.
under the illusion phrase /ˈʌn.də ˌðiː ɪˈluː.ʒən/: Having a mistaken belief about something.
under the impression prepositional phrase: Believing or making assumptions, often incorrectly.
under the influence adjective, adverb: While intoxicated or inebriated, in any degree from mildly impaired to stupefied, by a mind-altering substance, typically alcohol; thus, especially, drunk.
under the jail prepositional phrase: Implying a person should be killed, or subject to a punishment more severe than an ordinary prison sentence, for their actions.
under the knife prepositional phrase /ˌʌndə ðə ˈnaɪf/: Chiefly preceded by a form of go: undergoing a surgical procedure; into surgery.
under the lee prepositional phrase: To the leeward.
under the loupe adverb: Synonym of under the microscope.
under the magnifying glass adverb: Synonym of under the microscope.
under the mahogany adjective: Drunk, intoxicated.
under the microscope adverb: Under close scrutiny or examination.
under the plough adjective: Of a field, tilled by a plough and thus being actively used for cropping.
under the pump prepositional phrase: Under pressure to perform, e.g. at work or in a sports contest.
under the radar prepositional phrase: Without attracting notice; in an undetected or secretive manner.
under the rose prepositional phrase: In secret; secretly, privately.
under the rug prepositional phrase: Synonym of under the carpet.
under the rule prepositional phrase: Of a deal: concluded by the secretary of the stock exchange when the actual dealer has failed to do so.
under the saya adjective, noun: Henpecked
under the sheets prepositional phrase: In a state of rest or sleep.
under the spotlight adverb: Synonym of under the microscope.
under the stars prepositional phrase: Outdoors at night.
under the sun prepositional phrase: In existence.
under the surface prepositional phrase: Inwardly; inside; deep down.
under the table adjective, prepositional phrase: Secret; covert; undisclosed.
under the weather adjective /ˈʌndə ðə ˈwɛðə/: ill or gloomy, especially from a cold or flu.
under the wire prepositional phrase: Across the finish line.
under the yoke prepositional phrase: Under subjugation.
under-time noun, verb: Alternative form of undertime.
under tow adjective: Alternative form of in tow.
under-trial noun: Alternative spelling of undertrial.
under-utilized adjective: Alternative form of underutilized.
under water adjective, prepositional phrase, verb: Alternative form of underwater.
under way prepositional phrase: In operation, in progress, commenced.
under weigh adverb: Underway.
under wraps prepositional phrase: In secrecy or in hiding.
Undera proper noun: A town in the City of Greater Shepparton, north eastern Victoria, Australia.
underabundance noun: A less than normal, or insufficient, abundance.
underabundant adjective: Insufficiently abundant
underacceleration noun: Insufficient acceleration.
underacceptance noun: Insufficient acceptance.
underaccommodate verb: Alternative form of under-accommodate.
underaccommodation noun: Insufficient convergence; the situation where a speaker is underaccommodative.
underaccommodative adjective: insufficiently accommodative
underaccomplished adjective: Insufficiently accomplished; not having done or achieved enough.
underacetylated adjective: Insufficiently acetylated
underacetylation noun: Insufficient acetylation (typically of histones)
underachieve verb /ˌʌndə(ɹ)əˈt͡ʃiːv/: To achieve less than expected; to fail to fulfil one's potential.
underachievement noun: An achievement that is less than expected; underperformance.
underachiever noun: One who underachieves, i.e. performs less well than expected.
underacinated adjective: Not deracinated.
underacknowledged adjective: Having received insufficient acknowledgement.
underact verb: To act in an understated manner or with little expressiveness.
underaction noun /ˌʌndəɹˈækʃən/: subplot; a minor event incidental or subsidiary to the main story.
underactivate verb: To produce insufficient levels of activation.
underactivated adjective, verb: Less than normally activated.
underactivation noun: inadequate activation
underactive adjective: Less than normally active.
underactive thyroid noun: Synonym of hypothyroidism
underactivity noun: insufficient activity
underactor noun: A secondary or subsidiary actor.
underactuate verb: To make less easily actuated or responsive.
underactuated adjective, verb: Insufficiently actuated.

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 U: 26,317 words, in 88 parts.