enantiosis

[ ih-nan-tee-oh-sis ]
/ ɪˌnæn tiˈoʊ sɪs /

noun, plural en·an·ti·o·ses [ih-nan-tee-oh-seez] /ɪˌnæn tiˈoʊ siz/. Rhetoric.

a figure of speech in which what is meant is the opposite of what is said; irony.

Origin of enantiosis

From the Greek word enantíōsis, dating back to 1650–60. See enantio-, -osis