- Definitions|0
- Thesaurus|87
- Abbreviations|0
| inept | |
| inoperative | |
| insignificant(adjective, empty, worthless, frivolous, ineffective) | |
| insufficient | |
| inutile | |
| invalid | |
| irrelevant(adjective, empty, worthless, frivolous, ineffective) | |
| needless | |
| needlessly | |
| not serious(expression, adjective, empty, worthless, frivolous) | |
| nugatory(adjective, empty, worthless, frivolous, ineffective) | |
| null | |
| otiose(adjective, empty, worthless, frivolous, ineffective) | |
| pointless(adjective, empty, worthless, frivolous, ineffective) | |
| rambling(adjective, empty, worthless, frivolous, ineffective) | |
| stale | |
| superficial(adjective, empty, worthless, frivolous, ineffective) | |
| superfluous | |
| thrown | |
| trivial(adjective, empty, worthless, frivolous, ineffective) |
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| APA | Smart Define. (2013). of no avail thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/of_no_avail/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "of no avail thesaurus" https://smartdefine.org/of_no_avail/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2013, of no avail thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/of_no_avail/thesaurus/synonyms>. |
| MLA | Smart Define. "of no avail thesaurus" 19 May 2013. Web. 27 September 2026. <https://smartdefine.org/of_no_avail/thesaurus/synonyms> |