228 entries under adjective topic. ×
| yawning(dull, tired) | |
| inanimate(still, lifeless, lethargic, languid) | |
| indolent(dull, quiet, easy, careless) | |
| lackadaisical(dull, quiet, easy, slow) | |
| droopy | |
| drugged(cold, dead, tired, senseless) | |
| faint(slow, still, weary, stale) | |
| groggy | |
| limp(dull, slow, relaxed, still) | |
| motionless(dull, quiet, flat, indifferent) | |
| narcotic | |
| opiate(noun, awareness) | |
| oscitant | |
| out of it(expression, idiom, dull, quiet) | |
| ponderous | |
| pooped(beat, weary, tired, stale) | |
| slothful(dull, quiet, careless, heavy) | |
| snoozy(dull, quiet, slow, careless) | |
| somnifacient(inactivity, awareness) | |
| still(dull, idle, sluggish, lifeless) |
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| APA | Smart Define. (2016). sleepy thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/sleepy/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sleepy thesaurus" https://smartdefine.org/sleepy/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, sleepy thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/sleepy/thesaurus/synonyms>. |
| MLA | Smart Define. "sleepy thesaurus" 18 February 2016. Web. 27 September 2026. <https://smartdefine.org/sleepy/thesaurus/synonyms> |