105 entries under sluggish topic. ×
| on hold(expression, adjective, dull, idle) | |
| ossified(adjective, dull, idle, lazy) | |
| out of action(expression, adjective, idiom, dull, idle) | |
| out of commission(expression, adjective, idiom, dull, idle) | |
| out of service(expression, adjective, idiom, dull, idle) | |
| out of work(expression, adjective, idiom, dull, idle) | |
| procrastinating(dull, idle, inactive, lethargic) | |
| remiss(dull, idle, inactive, lethargic) | |
| shiftless(dull, idle, inactive, lethargic) | |
| sleepyhead(adjective, dull, quiet, slow, relaxed) | |
| slow-moving(adjective, dull, idle, lazy) | |
| stable(adjective, dull, idle, lazy) | |
| stolid(adjective, dull, quiet, indifferent, still) | |
| tardy(dull, idle, late, inactive) | |
| trifling(dull, idle, inactive, lethargic) | |
| unconcerned(adjective, dull, still, idle) | |
| unenergetic(dull, idle, inactive, lethargic) | |
| unindustrious(dull, idle, inactive, lethargic) | |
| unoccupied(adjective, dull, idle, lazy) | |
| unpersevering(dull, idle, inactive, lethargic) |
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| APA | Smart Define. (2016). sleepy thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/sleepy/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sleepy thesaurus" https://smartdefine.org/sleepy/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, sleepy thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/sleepy/thesaurus/synonyms>. |
| MLA | Smart Define. "sleepy thesaurus" 18 February 2016. Web. 28 September 2026. <https://smartdefine.org/sleepy/thesaurus/synonyms> |