77 entries under lifeless topic. ×
| forbearing(adjective, quiet, flat, indifferent, apathetic) | |
| going through motions(expression, adjective, idiom, quiet, flat) | |
| hands off(expression, adjective, quiet, flat, indifferent) | |
| impassive(adjective, dull, slow, relaxed, still) | |
| insouciant(adjective, lethargic, languid, indolent) | |
| lagging(dull, idle, sluggish, inactive) | |
| laid-back(adjective, quiet, slow, relaxed, indifferent) | |
| latent(adjective, dull, quiet, flat, indifferent) | |
| long-suffering(adjective, quiet, flat, indifferent, apathetic) | |
| moony(adjective, quiet, flat, slow, relaxed) | |
| nonresistant(adjective, quiet, flat, indifferent, apathetic) | |
| nonviolent(adjective, quiet, flat, indifferent, apathetic) | |
| patient(adjective, quiet, flat, indifferent, apathetic) | |
| poker-faced(adjective, quiet, flat, indifferent, apathetic) | |
| receptive(adjective, quiet, flat, indifferent, apathetic) | |
| resigned(adjective, quiet, flat, indifferent, apathetic) | |
| stolid(adjective, dull, quiet, indifferent, still) | |
| submissive(adjective, quiet, flat, indifferent, apathetic) | |
| tractable(adjective, quiet, flat, indifferent, apathetic) | |
| unassertive(adjective, quiet, flat, indifferent, apathetic) |
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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> |