94 entries under inactive topic. ×
| somnolent(dull, idle, sluggish, lazy) | |
| stiff(adjective, dull, moderate, low, slow) | |
| sullen(adjective, dull, slow, heavy, sluggish) | |
| tired(dull, idle, sluggish, lazy) | |
| trifling(dull, careless, idle, sluggish) | |
| unenergetic(dull, careless, idle, sluggish, dubious) | |
| unindustrious(dull, careless, idle, sluggish, dubious) | |
| unpersevering(dull, careless, idle, sluggish) | |
| unready(adjective, dull, careless, indifferent, idle) | |
| unresponsive(adjective, dull, quiet, flat, slow) | |
| unused(dull, sluggish, lazy, motionless) | |
| vacant(lifeless, lethargic, languid, sleepy) | |
| fallow | |
| weary(dull, idle, sluggish, lethargic) |
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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> |