87 entries under lethargic topic. ×
| loafing(dull, idle, sluggish, inactive) | |
| lulling(adjective, tired, dazed, drowsy) | |
| neglectful(dull, idle, sluggish, inactive) | |
| procrastinating(dull, idle, sluggish, inactive) | |
| remiss(dull, idle, sluggish, inactive) | |
| shiftless(dull, idle, sluggish, inactive) | |
| sleepyhead(adjective, dull, quiet, slow, relaxed) | |
| tardy(dull, idle, sluggish, late, inactive) | |
| trifling(dull, idle, sluggish, inactive) | |
| unconcerned(adjective, dull, still, idle, sluggish) | |
| unenergetic(dull, idle, sluggish, inactive) | |
| unindustrious(dull, idle, sluggish, inactive) | |
| unpersevering(dull, idle, sluggish, inactive) | |
| unready(dull, idle, sluggish, inactive) | |
| absent(lifeless, languid, indolent, lukewarm) | |
| abstracted(languid, indolent) | |
| easygoing(lifeless, languid, indolent, lukewarm) | |
| energyless(still, lifeless, languid, indolent) | |
| heedless(lifeless, languid, indolent, lukewarm) | |
| languishing(still, languid, indolent, torpid) |
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| APA | Smart Define. (2016). sleepy thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/sleepy/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sleepy thesaurus" https://smartdefine.org/sleepy/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, sleepy thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/sleepy/thesaurus/synonyms>. |
| MLA | Smart Define. "sleepy thesaurus" 18 February 2016. Web. 29 September 2026. <https://smartdefine.org/sleepy/thesaurus/synonyms> |