7 entries under important topic. ×
| trivial(adjective, substantial, serious) | |
| unimportant(adjective, value, substantial) | |
| immaterial | |
| inconsequential | |
| secondary | |
| slight | |
| substract |
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| APA | Smart Define. (2016). useful thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/useful/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "useful thesaurus" https://smartdefine.org/useful/thesaurus/antonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, useful thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/useful/thesaurus/antonyms>. |
| MLA | Smart Define. "useful thesaurus" 5 January 2016. Web. 26 September 2026. <https://smartdefine.org/useful/thesaurus/antonyms> |