60 entries under verb topic. ×
| maintain | |
| observe | |
| offer | |
| preserve | |
| prevent | |
| protect | |
| reduce | |
| regulate | |
| reply | |
| restrain | |
| restrict | |
| sever | |
| stop | |
| subdue | |
| subside | |
| suppose | |
| topple | |
| verify | |
| wipe out(expression, phrasal verb) | |
| withdraw |
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| APA | Smart Define. (2015). require thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/require/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "require thesaurus" https://smartdefine.org/require/thesaurus/antonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, require thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/require/thesaurus/antonyms>. |
| MLA | Smart Define. "require thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/require/thesaurus/antonyms> |