Dictionary.com
Thesaurus.com
Synonyms

capricious

American  
[kuh-prish-uhs, -pree-shuhs] / kəˈprɪʃ əs, -ˈpri ʃəs /

adjective

  1. subject to, led by, or indicative of a sudden, odd notion or unpredictable change; erratic.

    He's such a capricious boss I never know how he'll react.

    Synonyms:
    mercurial, flighty, variable
    Antonyms:
    consistent, constant, steady
  2. Obsolete. fanciful or witty.


capricious British  
/ kəˈprɪʃəs /

adjective

  1. characterized by or liable to sudden unpredictable changes in attitude or behaviour; impulsive; fickle

"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

Related Words

See fickle.

Other Word Forms

  • capriciously adverb
  • capriciousness noun
  • noncapricious adjective
  • noncapriciously adverb
  • uncapricious adjective
  • uncapriciously adverb

Etymology

Origin of capricious

First recorded in 1585–95; from French capricieux, from Italian capriccioso capriccioso

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.

Immigration advocates challenge ICE’s policy governing these arrests, arguing, among other things, that it was arbitrary and capricious under the Administrative Procedure Act.

From Slate • Mar. 27, 2026

In her ruling, she said the government's designation of Anthropic as a supply chain risk was "likely both contrary to law and arbitrary and capricious."

From Barron's • Mar. 26, 2026

What will June bring at the venerable but capricious Long Island venue?

From BBC • Jan. 6, 2026

Such arrests appear arbitrary and capricious, and are unlikely to survive scrutiny by the courts, Judge Pitts ruled Wednesday.

From Los Angeles Times • Dec. 25, 2025

His feet turned capricious, slipping off at odd angles.

From "Typical American" by Gish Jen