Meaning: Antithetical means directly opposed. mutually incompatible or exact opposite. It is used as an adjective usually followed by “to”.
Origin: The term entered English in the late 16th Century from Greek antithetikos meaning “contrasting” from antithetos ‘opposed, from antitithenai ‘set against (anti against + tithenai to place).
Usage: He has a viewpoint that is antithetical to what his friends have.
What he practises is antithetical to what he preaches.
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