What is another word for "antithetical"?

Roget's Thesaurus (1911) lists these synonyms for "antithetical": alliteration, alliterative, altiloquence, altiloquent, and, antithesis, artificial, bold, boldness, bombast, bombastic, breath, burn, command, declamation, declamatory, elegance, elevated, elevation, eloquence, eloquent, euphemism, euphemistic, euphuism, euphuist, euphuistic, figurative, fine, fire, flaming, flashy, florid, floridness, flourish, flowery, flowing, flown, force, forcible, frothy.