Borrowed from Latin antithesis, itself a borrowing from Ancient Greek ἀντίθεσις.

• IPA: /æn.ˈtɪ.θə.sɪs/

antithesis (plural antitheses)

1. A proposition that is the diametric opposite of some other proposition.
2. (rhetoric) A device by which two contrasting ideas are juxtaposed in parallel form; a figure of speech arranged in this manner
   • 1835, L[arret] Langley, A Manual of the Figures of Rhetoric, […], Doncaster: Printed by C. White, Baxter-Gate, →OCLC ↗, page 22 ↗:

     Antithesis, opposing things to things,
     Oft from the contrast strength and beauty brings.

3. (philosophy) The second stage of a dialectical process in which the thesis is negated.

• epitome

• French: antithèse
• German: Antithese
• Italian: antitesi
• Portuguese: antítese
• Russian: антите́за
• Spanish: antítesis