capricious

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

ADJECTIVE

given to sudden behavior change

Synonyms

STRONGEST

arbitrary careless erratic fickle flighty helter-skelter impulsive quirky temperamental unpredictable unreasonable unstable volatile wayward whimsical

WEAK

any way the wind blows blowing hot and cold changeful contrary crotchety effervescent every which way fanciful fitful flaky freakish gaga humorsome inconstant kinky lubricious mercurial moody mutable notional odd picky punchy ticklish up and down vagarious variable yo-yo

Antonyms

STRONGEST

cautious constant predictable reasonable reliable sensible stable steady thoughtful unchanging

WEAK

dependable staid steadfast

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.

There are many cases, in the arbitrary, capricious death penalty system, where clemency is appropriate.

From Slate • Mar. 6, 2026

The venture's legal brief described the suspension order as "arbitrary and capricious."

From Barron's • Jan. 15, 2026

These actions, according to the lawsuit, were “ arbitrary, capricious, an abuse of discretion, not in accordance with law, and therefore invalid under the Administrative Procedure Act.”

From Salon • Dec. 11, 2025

On Monday, Massachusetts district court judge Patti B Saris vacated Trump's order, saying it was "arbitrary and capricious and contrary to law".

From BBC • Dec. 9, 2025

A universe created from Chaos was in perfect keeping with the Greek belief in an unpredictable Nature run by capricious gods.

From "Cosmos" by Carl Sagan

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