A proposition that is the diametric opposite of some other proposition. / (rhetoric) A device by which two contrasting ideas are juxtaposed in parallel form; a figure of speech arranged in this manner

Non-Oxford British English standard spelling of antithesize.

Misspelling of antitheses.

Third-person singular simple present indicative form of antithesise

simple past tense and past participle of antithesise

present participle of antithesise