134 entries under adjective topic. ×

1
sluggard(dull, slow, heavy, still)
1
slumbering
1
somnific(awareness, sleepy)
1
soothing(noun, dull, tired, lethargic)
1
stagnant(dull, slow, heavy, apathetic)
1
stiff(dull, slow, heavy, sluggish)
1
still
1
stolid(dull, still, weary, apathetic)
1
stupefied(dull, cold, stupid, idle)
1
sullen(dull, slow, heavy, sluggish)
1
supine(dull, stupid, idle, weary)
1
tired(dull, quiet, weary, sluggish)
1
unmoving
1
unresponsive(dull, slow, heavy, still)
1
weary(tired, sluggish, lazy, lackluster)
1
wimpy(dull, stupid, idle, weary)
0
at rest
0
beat
0
buttoned up(expression, hushed, wordless)
0
clammed up(expression, hushed, wordless)
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APASmart Define. (2015). slumberous thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/slumberous/thesaurus/synonyms
ChicagoSmart Define. 2015. "slumberous thesaurus" https://smartdefine.org/slumberous/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, slumberous thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/slumberous/thesaurus/synonyms>.
MLASmart Define. "slumberous thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/slumberous/thesaurus/synonyms>