Synonyms|447Antonyms|115|Broader|6Narrower|8Related|558

46 entries under frivolous topic. ×

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abortive(adjective, empty, worthless, ineffective)
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hollow(adjective, empty, worthless, ineffective)
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not serious(expression, adjective, empty, worthless)
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of no avail(expression, adjective, idiom, empty, worthless)
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rambling(adjective, empty, worthless, ineffective)
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unsuccessful(adjective, empty, worthless, ineffective)
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APASmart Define. (2015). unnecessary thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unnecessary/thesaurus/synonyms
ChicagoSmart Define. 2015. "unnecessary thesaurus" https://smartdefine.org/unnecessary/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, unnecessary thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unnecessary/thesaurus/synonyms>.
MLASmart Define. "unnecessary thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/unnecessary/thesaurus/synonyms>