A disease caused by the presence of pathogenic organisms, especially bacteria, or their toxins, in the bloodstream, characterized by chills and fever.

septicemicadj

Typical of or pertaining to septicemia.

septicentennialnoun

700th anniversary.

septicidaladj

Exhibiting or relating to a method of dehiscence in which a pod splits through the partitions and is divided into its component carpels.

septicidallyadv

In a septicidal manner.

septicitynoun

A septic quality.

septicoloredadj

Of seven colors.

septicopyemianoun

septic pyemia

septicæmiasnoun

plural of septicæmia

septicæmiænoun

plural of septicæmia

septiferousadj

Bearing a partition; said of the valves of a capsule.

septiformadj

Having the form of a septum.

septifragaladj

Breaking from the partitions; said of a method of dehiscence in which the valves of a pod break away from the partitions, while these remain attached to the common axis.

septifragallyadv

In a septifragal manner.

septilateraladj

Having seven sides.

septillionnum

A trillion trillion: 1 followed by 24 zeros, 10²⁴.

septillionairenoun

Somebody whose wealth is at least one septillion (10²⁴) currency units.

septillionfoldadj

By a multiple of one septillion; by a septillion times as much or as many.

septillionthadj

The ordinal form of the number septillion.

septimaladj

Relating to the number seven.

Septimanianame

The western region of the Roman province of Gallia Narbonensis (modern-day south France) that passed under the control of the Visigoths in 462, when it was ceded to their king, Theodoric II.

septimateverb

Submit (someone or something) to septimation; reduce by one seventh.

septimationnoun

The loss, seizure, destruction, or killing of one seventh (of something or of a group).

septimenoun

The seventh defensive position, with the sword hand held at waist height, and the tip of the sword at knee level.

septimolenoun

A group of seven notes to be played in the time of four or six.

Septimontiumname

A festival celebrated by the inhabitants of the seven hills where Rome would be founded.

Septimusname

A male given name from Latin.

septinnoun

Any of a class of proteins that have functions related to cytokinesis.

septinsularadj

Consisting of seven islands.

septipartiteadj

Alternative form of septempartite.

septiremenoun

A heavy ancient Greek warship.

septisyllablenoun

A word of seven syllables.

septivalentadj

heptavalent.

Spelling & Dictionary Insight

The English alphabetical index for the letter S contains 54,294 headwords drawn from our Wiktionary-derived dictionary table. At 50 entries per page the browse splits into 1,086 pages, and you are currently viewing page 269. Every row above is a dictionary-backed entry with a canonical slug, and each links through to a full definition page with pronunciation, senses, etymology, and related-word data where available.

On this page 50 of 50 entries carry a part-of-speech tag and 50 carry at least one stored definition. Coverage varies across letters because Wiktionary volunteers build entries at different speeds for different parts of the alphabet, letters with common starting sounds (S, C, T, P) usually have the densest coverage, while less frequent starters (X, Q, Z) tend to have shorter but more specialised lists. PlainSpell surfaces whatever data is present and links back to the source when a definition is not yet recorded.

For readers using this index as a spelling reference, the guarantee is that every form you see on the list is a documented English headword, not a guess, not a derived inflection lacking a lemma row. If a word you expected to find is absent from the "S" list, it usually means the form exists only as an inflection of another lemma (e.g. a past participle stored under the infinitive) or the entry has not yet been imported from Wiktionary. Use the search bar or the misspelling lookup to resolve these cases.