Word Type

Adjective

Adjective

The word "frivolous" can be used as adjective and adjective.

Word Relationships

Opposites (Antonyms)

serious

Derived Terms

frivolent frivolosity frivolousity frivolously frivolousness nonfrivolous ultrafrivolous unfrivolous

Derived From

frivol

Context

law said of lawsuit

Related Terms

frivol frivolity

Related Terms

claim filing frivol frivolity importance inappropriate merit notice party prospect silly slight superficial

Similar Terms

airheaded dizzy empty-headed featherbrained featherbrained flighty flippant flyaway giddy head in clouds head-in-the-clouds idle light light light minded light-headed light-minded lightheaded scatterbrained silly superficial trivial trivial

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.