| slow(adjective, lazy, unhurried) | |
| lazy(adjective, clumsy, delayed) | |
| sluggish(adjective, clumsy, delayed) | |
| leisurely(adjective, clumsy, delayed) | |
| dead in the water | |
| dull(adjective, smart, active, fast, insensitive) | |
| fatuous | |
| unhurried(adjective, nervous, clumsy, leisurely, delayed) | |
| stupid(adjective, clumsy, delayed) | |
| ignorant(adjective, clumsy, delayed) | |
| imperceptive(sensitive, aware) | |
| inactive(adjective, clumsy, delayed) | |
| non-punctual | |
| unintelligent(adjective, dull) | |
| uneducated(adjective, clumsy, delayed) | |
| brainless | |
| crawling | |
| dawdling | |
| dense | |
| dilatory |
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| APA | Smart Define. (2016). quick thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/quick/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "quick thesaurus" https://smartdefine.org/quick/thesaurus/antonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, quick thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/quick/thesaurus/antonyms>. |
| MLA | Smart Define. "quick thesaurus" 1 April 2016. Web. 20 September 2026. <https://smartdefine.org/quick/thesaurus/antonyms> |