What does antithesis mean?
Antithesis has two closely related meanings. In everyday use, it denotes the direct opposite of something: one person or thing may be described as the antithesis of another when they embody wholly contrary qualities. In rhetoric and literature, antithesis is a figure of speech in which contrasting ideas, words, or clauses are placed side by side in balanced structure to sharpen meaning — as in Alexander Pope's line 'To err is human, to forgive divine.' The word carries a formal, intellectual tone and is at home in essays, criticism, political oratory, and poetry, where the deliberate clash of opposites creates emphasis and memorability. Derived from Greek roots meaning 'set against,' it entered English in the early seventeenth century and remains a staple term for describing opposition, whether between people, ideas, or styles. Knowing it equips a reader to name contrast precisely, rather than settling for vaguer words like 'difference' or 'contrast'.
nounA person or thing that is the direct opposite of another; also, in rhetoric, a figure of speech in which contrasting ideas are balanced against each other in parallel structure for effect.
- The direct opposite of someone or something.
- A rhetorical figure in which sharply contrasting ideas are juxtaposed in balanced or parallel structure for emphasis or effect.
"Her calm pragmatism was the perfect antithesis of his impulsive idealism."
"He was everything his brother was not — the living antithesis of her quiet, methodical approach to life."
"'It was the best of times, it was the worst of times' — Dickens's famous opening is a masterclass in antithesis."
The plural antitheses is standard but uncommon, appearing mostly in scholarly or critical writing when discussing multiple instances of opposition or rhetorical contrast.
"The essay examines the antitheses that structure the poet's entire body of work."
The word 'antithesis' literally means 'set against' — ancient Greek rhetoricians used it so much that balancing opposites became one of the most celebrated tricks in all of persuasive speech.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of antithesis
Antithesis comes from Greek antitithenai, meaning 'to set against,' formed from anti- ('against') and tithenai ('to place'). The word passed into Latin and entered English in the early seventeenth century, initially through scholarly and rhetorical writing. It shares its Greek root with related terms such as thesis (a thing placed or proposed) and hypothesis (a supposition placed under reasoning), all built on the same verb of placing or setting.
Related word forms
How antithesis is actually used
Antithesis is a formal, literary word; it appears most often in academic writing, rhetoric, criticism, and elevated prose rather than casual conversation. When used of people, 'the antithesis of X' emphasizes complete opposition in character or qualities. The plural 'antitheses' is correct but rare outside scholarly contexts.
Easily confused with antithesis
A thesis is a proposition or statement put forward, while an antithesis is its opposite or a contrast set against it.
An apostrophe is both a punctuation mark and, in rhetoric, a sudden address to an absent person or thing; it has nothing to do with opposition as antithesis does.