62 entries under adjective topic. ×
| unimportant(important, substantial) | |
| minor(superior, big, small, insignificant) | |
| insignificant(important, substantial) | |
| petty(insignificant, trivial) | |
| trivial(important, substantial, unimportant, serious) | |
| negligible | |
| inconsequential(dull, important, insignificant) | |
| nonsignificant | |
| paltry(poor, big, substantial, worthless) | |
| powerless | |
| meaningless(reasonable, use, value, unimportant) | |
| slight(important, small, insignificant, large) | |
| inconsiderable | |
| irrelevant | |
| little | |
| nominal | |
| small | |
| piddling | |
| tiny | |
| tenuous(weak, thin) |
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| APA | Smart Define. (2016). significant thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/significant/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "significant thesaurus" https://smartdefine.org/significant/thesaurus/antonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, significant thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/significant/thesaurus/antonyms>. |
| MLA | Smart Define. "significant thesaurus" 4 March 2016. Web. 24 September 2026. <https://smartdefine.org/significant/thesaurus/antonyms> |