87 entries under lethargic topic. ×
| blah(adjective, dull, quiet, slow, informal) | |
| indifferent(adjective, dull, quiet, beat, slow) | |
| spiritless(adjective, dull, slow, relaxed, still) | |
| stuporous | |
| dopey(adjective, dull, quiet, slow, relaxed) | |
| dazed(adjective, slow, tired, unsteady) | |
| draggy(adjective, dull, quiet, low, slow) | |
| flagging(adjective, dull, beat, slow, careless) | |
| half asleep(expression, adjective, tired, dazed) | |
| laggard(adjective, dull, quiet, easy, careless) | |
| restful(adjective, tired, dazed, drowsy) | |
| soothing(adjective, attractive, tired, dazed) | |
| dilatory(adjective, dull, quiet, moderate, easy) | |
| careless(dull, idle, sluggish, inactive) | |
| dallying(dull, idle, sluggish, inactive) | |
| dopy(adjective, tired, dazed, drowsy) | |
| impassive(adjective, dull, slow, relaxed, still) | |
| inattentive(dull, idle, sluggish, inactive) | |
| insouciant(adjective, lifeless, languid, indolent) | |
| laid-back(adjective, quiet, slow, relaxed, indifferent) |
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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> |