87 entries under lethargic topic. ×
| supine(adjective, dull, quiet, easy, slow) | |
| bored(adjective, dull, beat, weary, tired) | |
| heavy(adjective, dull, quiet, easy, slow) | |
| languid(adjective, dull, slow, careless, relaxed) | |
| languorous(adjective, dull, slow, careless, relaxed) | |
| lazy(adjective, dull, slow, relaxed, deliberate) | |
| enervated(adjective, beat, slow, relaxed, still) | |
| idle(adjective, dull, quiet, flat, careless) | |
| nodding(adjective, quiet, slow, heavy, tired) | |
| dreamy(adjective, quiet, easy, slow, relaxed) | |
| passive(adjective, dull, quiet, careless, heavy) | |
| phlegmatic(adjective, quiet, easy, slow, relaxed) | |
| inanimate(adjective, still, lifeless, languid) | |
| indolent(adjective, dull, quiet, easy, careless) | |
| lackadaisical(adjective, dull, quiet, easy, slow) | |
| drugged(adjective, cold, dead, tired, senseless) | |
| limp(adjective, dull, slow, relaxed, still) | |
| out of it(expression, adjective, idiom, dull, quiet) | |
| slothful(adjective, dull, quiet, careless, heavy) | |
| snoozy(adjective, dull, quiet, slow, careless) |
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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> |