Dictionary.com
Thesaurus.com
Synonyms

oxymoron

American  
[ok-si-mawr-on, -mohr-] / ˌɒk sɪˈmɔr ɒn, -ˈmoʊr- /

noun

Rhetoric.

plural

oxymora, oxymorons
  1. a figure of speech by which a locution produces an incongruous, seemingly self-contradictory effect, as in “cruel kindness” or “to make haste slowly.”


oxymoron British  
/ ˌɒksɪˈmɔːrɒn /

noun

  1. rhetoric an epigrammatic effect, by which contradictory terms are used in conjunction

    living death

    fiend angelical

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

oxymoron Cultural  
  1. A rhetorical device in which two seemingly contradictory words are used together for effect: “She is just a poor little rich girl.”


Other Word Forms

  • oxymoronic adjective

Etymology

Origin of oxymoron

First recorded in 1650–60; from Late Latin oxymorum, from presumed Greek oxýmōron (unrecorded), neuter of oxýmōros (unrecorded) “sharp-dull,” equivalent to oxý(s) “sharp” ( oxy- 1 ) + mōrós “dull” ( moron )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He was, if we may use an oxymoron, a libertarian builder.

From The Wall Street Journal • Feb. 13, 2026

Wintertime salads may be an oxymoron for some, but to me, they’re a necessity.

From Salon • Feb. 7, 2026

That sounds like an oxymoron: We don’t tend to expect illness or old age to create a problem in our life when we are young, but preparing for such eventualities is important.

From MarketWatch • Dec. 9, 2025

For me, the phrase “solo show” has always kind of been an oxymoron.

From Los Angeles Times • May 29, 2024

That’s an oxymoron if Scoob’s ever heard one.

From "Clean Getaway" by Nic Stone