English Interjection ha (onomatopoeia) Representing laughter (also he, ho, heh) Ha, ha, ha! That's funny. An exclamation of victory or discovery Ha! Checkmate. Synonyms hah Translations Finnish: hah (1); haa (2) Related words aha ah Guarani Conjunction and. Interlingua Verb Short form of "habe", the present tense of the verb haber: have, has. Italian Verb form ha (he/she/it/one) has