Meanings
-ise1
present singular third person -ises · participle present -ising · participle past -ised · past -ised
- alternativeAlternative form of -ize used in certain words; see the usage notes.
-ise2
Synonyms & antonyms
Origin
-ise · suffix
- Proto-Indo-European*-idyé-
- Ancient Greek-ίζω
- Late Latin-izāre
- Middle French-iser
- Middle English-isen
- English-ise
From Middle English -isen, from Middle French -iser, from Late Latin -izāre, from Ancient Greek -ίζω (-ízō), from Proto-Indo-European *-idyé- (verbal suffix). Cognate with Old English -ettan (verbal suffix).
More words from Middle English, Middle French, Late Latin
Full word history & related roots →-ise · suffix
- Latin-itia
- Old French-ise
- Middle English-ise
- English-ise
From Middle English -ise, from Old French -ise, from Latin -itia.
More words from Middle English, Old French, Latin
Full word history & related roots →Cite this entry
-ise. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/-ise
“-ise.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/-ise. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “-ise,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/-ise.
Source: -ise on Wiktionary, CC BY-SA 4.0.