Definitions

frivolous

[friv-uh-luhs] / ˈfrɪv ə ləs /

ADJECTIVE

trivial, silly

Synonyms

STRONGEST

foolish idiotic impractical petty pointless senseless

WEAK

barmy childish dizzy empty-headed facetious featherbrained flighty flip flippant gay giddy harebrained idle ill-considered juvenile light light-minded minor niggling nonserious not serious paltry peripheral playful puerile scatterbrained shallow sportive superficial tongue-in-cheek unimportant unprofound volatile whimsical

Antonyms

STRONGEST

intelligent sensible wise

WEAK

grave mature serious solemn thoughtful

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.

Detailed and 111 pages, this isn’t a frivolous bill.

From The Wall Street Journal • Jun. 4, 2026

Legal experts deemed the suit frivolous, and Colbert referred to the settlement as a “big fat bribe.”

From Los Angeles Times • May 20, 2026

But these influencers are often dismissed as frivolous, Latifi says — and the gender breakdown has a lot to do with it.

From Salon • May 10, 2026

The process also helps reduce lawsuits, frivolous or otherwise, which can negatively impact IPO proceeds, according to a 2020 study.

From MarketWatch • Apr. 1, 2026

“That does not make it any less frivolous an endeavor.”

From "The Night Circus" by Erin Morgenstern

Vocabulary lists containing frivolous

Grade 10, List 1

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"The Monkey's Paw," Vocabulary from the short story

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Little Women

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!