- Definitions|2
- Thesaurus|273
- Abbreviations|0
| sedated | |
| sedative(adjective, awareness) | |
| slack(adjective, dull, slow, heavy, still) | |
| sleepyhead(adjective, dull, quiet, slow, heavy) | |
| sleepyheaded(adjective, dull, slow, heavy, sluggish) | |
| slothful(adjective, dull, slow, heavy, still) | |
| slow(adjective, dull, quiet, heavy, weary) | |
| slow-moving(adjective, dull, slow, heavy, stupid) | |
| sluggard(adjective, dull, slow, heavy, still) | |
| slumbering | |
| slumbersome | |
| somnific(adjective, awareness, sleepy) | |
| soothing(noun, adjective, dull, tired, lethargic) | |
| soporiferous | |
| stagnant(adjective, dull, slow, heavy, apathetic) | |
| stiff(adjective, dull, slow, heavy, sluggish) | |
| still | |
| stolid(adjective, dull, still, weary, apathetic) | |
| stupefied(adjective, dull, cold, stupid, idle) | |
| stupid |
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| APA | Smart Define. (2015). slumberous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/slumberous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "slumberous thesaurus" https://smartdefine.org/slumberous/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, slumberous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/slumberous/thesaurus/synonyms>. |
| MLA | Smart Define. "slumberous thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/slumberous/thesaurus/synonyms> |