111 entries under sluggish topic. ×
| moderate(verb, adjective, calm, dull, quiet) | |
| tardy(adjective, dull, slow, late) | |
| easy(adjective, quiet, relaxed, heavy, deliberate) | |
| laggard(noun, adjective, dull, quiet, easy) | |
| passive(adjective, dull, careless, loose) | |
| quiet(verb, adjective, calm, dull, smooth) | |
| torpid(adjective, dull, quiet, flat, slow) | |
| heavy(adjective, dull, quiet, moderate, easy) | |
| lackadaisical(adjective, dull, slow, lazy) | |
| off(adjective, dull, increase, moderate, low) | |
| reluctant(adjective, quiet, easy, heavy, deliberate) | |
| shiftless(adjective, dull, careless, dubious) | |
| supine(adjective, dull, loose, idle) | |
| apathetic(noun, adjective, dull, quiet, easy) | |
| dormant(adjective, dull, still, lazy) | |
| down(adjective, dull, increase, weak, low) | |
| indifferent(noun, adjective, dull, quiet, soft) | |
| lifeless(adjective, dull, quiet, flat, slow) | |
| slow-moving(adjective, dull, quiet, easy, slow) | |
| stagnant(adjective, dull, quiet, moderate, flat) |
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| APA | Smart Define. (2016). slack thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/slack/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "slack thesaurus" https://smartdefine.org/slack/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, slack thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/slack/thesaurus/synonyms>. |
| MLA | Smart Define. "slack thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/slack/thesaurus/synonyms> |