89 entries under lethargic topic. ×
| phlegmatic(adjective, dull, quiet, weak, moving) | |
| sleepy(adjective, dull, quiet, moving, slow) | |
| lackadaisical(adjective, dull, quiet, weak, easy) | |
| unresponsive(adjective, dull, quiet, moving, flat) | |
| leaden(adjective, dull, quiet, weak, moving) | |
| impassive(adjective, dull, weak, moving, easy) | |
| heavy(adjective, upset, dull, quiet, weak) | |
| somnolent(adjective, dull, careless, relaxed, indifferent) | |
| spiritless(adjective, dull, quiet, weak, easy) | |
| comatose(adjective, dull, weak, easy, slow) | |
| lumpish(adjective, dull, slow, heavy, stupid) | |
| resting(adjective, slow, sluggish, easygoing, lazy) | |
| dilatory(adjective, dull, quiet, easy, careless) | |
| drowsy(adjective, dull, quiet, easy, careless) | |
| hebetudinous(adjective, dull, slow, heavy, apathetic) | |
| down(adjective, dull, moving, slow, heavy) | |
| laggard(adjective, dull, quiet, easy, careless) | |
| slumberous(adjective, dull, moving, slow, heavy) | |
| blah(adjective, dull, quiet, weak, easy) | |
| bored(languid, indolent) |
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| APA | Smart Define. (2015). inert thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/inert/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "inert thesaurus" https://smartdefine.org/inert/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, inert thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/inert/thesaurus/synonyms>. |
| MLA | Smart Define. "inert thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/inert/thesaurus/synonyms> |