- Definitions|2
- Thesaurus|1.2k
- Abbreviations|0
12 entries under substantial topic. ×
| insignificant(adjective, significant) | |
| trivial(adjective, important, serious) | |
| unimportant(adjective, value, important, worthless) | |
| pitiful(adjective, good, poor, shape) | |
| derisory | |
| doublespeak | |
| low-ranking | |
| purportless | |
| shoestring | |
| unmeaning | |
| unpurposed | |
| zipper |
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| APA | Smart Define. (2016). worthwhile thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/worthwhile/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "worthwhile thesaurus" https://smartdefine.org/worthwhile/thesaurus/antonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, worthwhile thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/worthwhile/thesaurus/antonyms>. |
| MLA | Smart Define. "worthwhile thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/worthwhile/thesaurus/antonyms> |