68 entries under quiet topic. ×
| lethargic(adjective, dull, slow, careless) | |
| sluggish(adjective, dull, low, slow) | |
| drowsy(adjective, dull, beat, slow) | |
| somnolent(adjective, dull, beat, slow) | |
| torpid(adjective, dull, slow, careless) | |
| listless(adjective, dull, energy, slow) | |
| slow(adjective, dull, careless, relaxed) | |
| inert(adjective, dull, moving, slow) | |
| dozy(adjective, dull, slow, heavy) | |
| inactive(adjective, action, dull, low) | |
| apathetic(adjective, dull, slow, careless) | |
| lifeless(adjective, dull, careless, indifferent) | |
| soporific(adjective, dull, slow, heavy) | |
| comatose(adjective, dull, slow, careless) | |
| slumberous(adjective, dull, slow, cold) | |
| asleep(adjective, dull, flat, slow) | |
| supine(adjective, dull, easy, slow) | |
| heavy(adjective, dull, easy, slow) | |
| idle(adjective, dull, flat, careless) | |
| nodding(adjective, slow, heavy, tired) |
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| APA | Smart Define. (2016). sleepy thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sleepy/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sleepy thesaurus" https://smartdefine.org/sleepy/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, sleepy thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sleepy/thesaurus/synonyms>. |
| MLA | Smart Define. "sleepy thesaurus" 18 February 2016. Web. 26 September 2026. <https://smartdefine.org/sleepy/thesaurus/synonyms> |