The plural of antithesis; multiple examples of direct opposites or things that are starkly contrasted with each other.
From Greek antithesis (anti- against + thesis a placing), plural form. The word came into English through Latin and was used in classical rhetoric to describe opposing ideas.
In Shakespeare, 'To be or not to be' is an antithesis—the most famous example in literature of putting two absolute opposites right next to each other to create dramatic impact.
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