- Definitions|3
- Thesaurus|2.9k
- Abbreviations|0
| not serious(expression, adjective, pleasant, smart, silly) | |
| one-dimensional(adjective, slight, detail, silly, trivial) | |
| pleasing(adjective, amusing) | |
| promiscuous(wild, reckless, debauched) | |
| rattle-brained | |
| relaxing(adjective, amusing) | |
| rollicking(adjective, amusing) | |
| sleeveless(caprice, imbecility folly) | |
| sportive(adjective, pleasant, wild, silly, trivial) | |
| stimulating(adjective, amusing) | |
| tongue-in-cheek(adjective, silly, trivial) | |
| twopenny | |
| undependable(adjective, excited, unreliable, changeable, fearful) | |
| unfaithful(adjective, changeable, untrue, indecisive, inconsistent) | |
| unreasonable(poor, stupid, chance, absurd, uninformed) | |
| unreliable(adjective, excited, vague, changeable, fearful) | |
| unsteady(adjective, careless, stupid, unreliable, changeable) | |
| unsubstantial(weak, soft, gentle, content) | |
| vacillating(adjective, changeable, untrue, unsteady, indecisive) | |
| vapid |
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| APA | Smart Define. (2015). frivolous thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/frivolous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "frivolous thesaurus" https://smartdefine.org/frivolous/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, frivolous thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/frivolous/thesaurus/synonyms>. |
| MLA | Smart Define. "frivolous thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/frivolous/thesaurus/synonyms> |