97 entries under dull topic. ×

6
heavy(adjective, quiet, weak, easy)
6
leaden(adjective, quiet, weak, easy)
6
lifeless(adjective, careless, indifferent, idle)
6
phlegmatic(adjective, quiet, weak, easy)
4
comatose(adjective, weak, easy, slow)
4
stolid(adjective, stupid, weary, apathetic)
4
unconcerned(adjective, weak, easy, slow)
4
uninterested(adjective, weak, easy, slow)
4
somnolent(adjective, careless, relaxed, indifferent)
4
stupefied(adjective, stupid, idle, weary)
3
lumpish(adjective, heavy, stupid, impassive)
3
spiritless(adjective, weak, easy, slow)
3
impassive(adjective, weak, easy, slow)
3
obtuse(adjective, heavy, stupid, impassive)
3
remiss(adjective, idle, sluggish, inactivity)
3
shiftless(adjective, careless, indifferent, idle)
3
weak(adjective, strong, easy, slow)
3
weary(adjective, weak, easy, slow)
2
blah(adjective, weak, easy, slow)
2
debilitated(adjective, weak, uncertain, feeble)
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APASmart Define. (2015). supine thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/supine/thesaurus/synonyms
ChicagoSmart Define. 2015. "supine thesaurus" https://smartdefine.org/supine/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, supine thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/supine/thesaurus/synonyms>.
MLASmart Define. "supine thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/supine/thesaurus/synonyms>