97 entries under dull topic. ×

1
stupid(adjective, heavy, idle, sluggish)
1
tardy(adjective, quiet, easy, careless)
1
tired(adjective, slow, careless, indifferent)
1
trifling(adjective, careless, indifferent, idle)
1
unenergetic(adjective, careless, indifferent, idle)
1
unenthusiastic(adjective, weak, easy, slow)
1
unhurried(adjective, quiet, weak, easy)
1
unindustrious(adjective, careless, indifferent, idle)
1
unpersevering(adjective, careless, indifferent, idle)
1
unready(adjective, careless, indifferent, idle)
1
wimpy(adjective, weak, easy, slow)
0
blunt(adjective, heavy, stupid, impassive)
0
bovine(adjective, heavy, stupid, impassive)
0
dense(adjective, heavy, stupid, impassive)
0
doltish(adjective, heavy, stupid, impassive)
0
dumb(adjective, heavy, stupid, impassive)
0
unexcitable(adjective, heavy, stupid, impassive)
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APASmart Define. (2015). supine thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/supine/thesaurus/synonyms
ChicagoSmart Define. 2015. "supine thesaurus" https://smartdefine.org/supine/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, supine thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/supine/thesaurus/synonyms>.
MLASmart Define. "supine thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/supine/thesaurus/synonyms>