- Definitions|1
- Thesaurus|251
- Abbreviations|0
17 entries under useful topic. ×
| big(adjective, important) | |
| causative(adjective, important) | |
| chief(adjective, important) | |
| consequential(adjective, important) | |
| first-class(adjective, important) | |
| first-rate(adjective, important) | |
| huge(adjective, important) | |
| large(adjective, important) | |
| main(adjective, important) | |
| major(adjective, adverb, important, under) | |
| necessary(adjective, important) | |
| primary(adjective, adverb, important, major) | |
| significant(adjective, important) | |
| source(adjective, important, subalternate, shooter) | |
| superior(adjective, important) | |
| valuable(adjective, important) | |
| worthwhile(adjective, important) |
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| APA | Smart Define. (2013). substract thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/substract/thesaurus/antonyms |
| Chicago | Smart Define. 2013. "substract thesaurus" https://smartdefine.org/substract/thesaurus/antonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2013, substract thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/substract/thesaurus/antonyms>. |
| MLA | Smart Define. "substract thesaurus" 18 May 2013. Web. 24 September 2026. <https://smartdefine.org/substract/thesaurus/antonyms> |