| determine | |
| discrete | |
| doubtless | |
| durable | |
| enact | |
| establish | |
| execute | |
| faithful | |
| fixed | |
| gain | |
| genuine | |
| get | |
| go-to(adjective, unreliable, insecure, treacherous, incalculable) | |
| govern | |
| hefty | |
| honest | |
| inarguable | |
| incontrovertible | |
| infallible | |
| ingrain |
For more, visit
Iffy on
Power Thesaurus
| APA | Smart Define. (2015). iffy thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/iffy/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "iffy thesaurus" https://smartdefine.org/iffy/thesaurus/antonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, iffy thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/iffy/thesaurus/antonyms>. |
| MLA | Smart Define. "iffy thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/iffy/thesaurus/antonyms> |