Thesaurus
Synonyms & Antonyms of unfrivolous
1
as in serious, earnest
Synonyms & Near Synonyms for unfrivolous
- grave,
- melancholy,
- somber
- (or sombre),
- thoughtful
Antonyms & Near Antonyms for unfrivolous
- birdbrained,
- ditzy
- (or ditsy),
- dizzy,
- featherbrained,
- flighty,
- frivolous,
- frothy,
- futile,
- giddy,
- goofy,
- harebrained,
- light-headed,
- light-minded,
- puerile,
- scatterbrained,
- silly,
- yeasty
2
as in important, big
Synonyms & Near Synonyms for unfrivolous
Antonyms & Near Antonyms for unfrivolous
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“Unfrivolous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unfrivolous. Accessed 19 Apr. 2021.
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Time Traveler for unfrivolous
The first known use of unfrivolous was in 1840
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