Synonyms of frivolous
- 1. frivolous (vs. serious), airheaded, dizzy, empty-headed, featherbrained, giddy, light-headed, lightheaded, silly, flighty, flyaway, head-in-the-clouds, scatterbrained, flippant, light-minded, idle, light, light, trivial, superficial
- usage: not serious in content or attitude or behavior; "a frivolous novel"; "a frivolous remark"; "a frivolous young woman"
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Definition and meaning of frivolous (Dictionary)