61 entries under still topic. ×
| quiescent(adjective, dull, quiet, flat, indifferent) | |
| slack(dull, idle, sluggish, late) | |
| spiritless(adjective, dull, slow, relaxed) | |
| dopey(adjective, dull, quiet, slow, relaxed) | |
| flagging(adjective, dull, beat, slow, careless) | |
| immobile(adjective, dull, idle, sluggish) | |
| static(adjective, dull, quiet, flat, indifferent) | |
| down(adjective, dull, low, idle) | |
| impassive(adjective, dull, slow, relaxed) | |
| laid-back(adjective, quiet, slow, relaxed, indifferent) | |
| moony(adjective, quiet, flat, slow, relaxed) | |
| nebbish(adjective, dull, slow, relaxed, stupid) | |
| sleepyhead(adjective, dull, quiet, slow, relaxed) | |
| stolid(adjective, dull, quiet, indifferent) | |
| unconcerned(adjective, dull, idle, sluggish) | |
| wimpy(adjective, dull, slow, relaxed, stupid) | |
| energyless(lifeless, lethargic, languid, indolent) | |
| languishing(lethargic, languid, indolent, torpid) | |
| lymphatic(sluggish, lifeless, lazy, listless) | |
| uninterested(lethargic, languid, indolent, torpid) |
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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> |