| dim-witted | |
| dull(adjective, smart, active) | |
| brainless | |
| consume(verb, drink, fill, build, eat) | |
| dawdling | |
| dilatory | |
| freakish | |
| freed | |
| freezing | |
| gap | |
| gentlely | |
| gingerly | |
| glacial | |
| tardily | |
| thickheaded | |
| traitorous | |
| treacherous | |
| unattached | |
| unfaithful | |
| unintelligent |
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| APA | Smart Define. (2016). fast thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/fast/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "fast thesaurus" https://smartdefine.org/fast/thesaurus/antonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, fast thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/fast/thesaurus/antonyms>. |
| MLA | Smart Define. "fast thesaurus" 1 April 2016. Web. 24 September 2026. <https://smartdefine.org/fast/thesaurus/antonyms> |