Oxymoron (noun)
ok-see-maw-ron
A figure of speech that produces an incongruous, seemingly self-contradictory effect.
First recorded in 1650–60. Comes from the Late Latin word oxymorum. Oxymorum is from the presumed but unrecorded Greek neuter of oxýmōros, meaning “sharp-dull.”
Example sentences
“She offered me the bigger half, which is a bit of an oxymoron.”