38 entries under noun topic. ×
| emulator | |
| facer | |
| fiend | |
| header | |
| invader | |
| litigant | |
| nemesis | |
| objector | |
| obstructionist | |
| obstructor | |
| oppositeness | |
| opposition | |
| rebel | |
| resistance | |
| resister | |
| transgressor | |
| trespasser | |
| underminer |
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| APA | Smart Define. (2016). backer thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/backer/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "backer thesaurus" https://smartdefine.org/backer/thesaurus/antonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, backer thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/backer/thesaurus/antonyms>. |
| MLA | Smart Define. "backer thesaurus" 30 March 2016. Web. 29 September 2026. <https://smartdefine.org/backer/thesaurus/antonyms> |