- Definitions|0
- Thesaurus|588
- Abbreviations|0
78 entries under adjective topic. ×
| frivolous(expression, feature, state, characteristic) | |
| light-hearted(expression, feature, person, trait) | |
| unthinking(feature, person, trait, thoughtfulness) | |
| careless(feature, person, trait, thoughtfulness) | |
| puerile(trait, young, child, immature) | |
| thoughtless(expression, feature, characteristic, person) | |
| neglectful(feature, person, trait, thoughtfulness) | |
| giddy(expression, feature, state, characteristic) | |
| foolish(expression, feature, state, characteristic) | |
| heedless(feature, person, trait, thoughtfulness) | |
| incautious(feature, person, trait, thoughtfulness) | |
| mindless(feature, person, trait, thoughtfulness) | |
| scatterbrained(feature, person, trait, thoughtfulness) | |
| silly(feature, person, trait, thoughtfulness) | |
| light(expression, feature, state, characteristic) | |
| unheeding(feature, person, trait, thoughtfulness) | |
| unmindful(feature, person, trait, thoughtfulness) | |
| flippant(expression, feature, state, characteristic) | |
| frisky(trait, behavior, cheerful, conduct) | |
| immature(trait, young, child) |
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| APA | Smart Define. (2015). unserious thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unserious/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unserious thesaurus" https://smartdefine.org/unserious/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, unserious thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unserious/thesaurus/synonyms>. |
| MLA | Smart Define. "unserious thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/unserious/thesaurus/synonyms> |