- Definitions|2
- Thesaurus|218
- Abbreviations|0
110 entries under adjective topic. ×
| inactive(dull, quiet, weak, easy) | |
| energyless(dull, weak, easy, slow) | |
| comatose(dull, quiet, weak, easy) | |
| impassive(dull, weak, easy, slow) | |
| laggard(dull, stupid, weary, apathetic) | |
| languid(dull, weak, easy, slow) | |
| lethargic(dull, quiet, weak, easy) | |
| sleepy(dull, quiet, slow, relaxed) | |
| slow(dull, quiet, weak, easy) | |
| snoozy(dull, quiet, weak, easy) | |
| debilitated(dull, stupid, idle, weary) | |
| dilatory(dull, stupid, weary, apathetic) | |
| dormant(dull, stupid, idle, weary) | |
| draggy(dull, quiet, slow, heavy) | |
| drooping(dull, relaxed, sluggish, lazy) | |
| drowsy(quiet, slow, relaxed, heavy) | |
| dull(quiet, relaxed, weary, apathetic) | |
| enervated(dull, weak, easy, slow) | |
| faint(dull, weak, easy, slow) | |
| feeble(dull, weak, easy, slow) |
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| APA | Smart Define. (2015). sleepyhead thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sleepyhead/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "sleepyhead thesaurus" https://smartdefine.org/sleepyhead/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, sleepyhead thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sleepyhead/thesaurus/synonyms>. |
| MLA | Smart Define. "sleepyhead thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/sleepyhead/thesaurus/synonyms> |