98 entries under cool topic. ×

7
negligent(adjective, calm, sharp, rude)
7
still(adjective, dull, quiet, moderate)
7
unmoved(adjective, dull, quiet, moderate)
6
blase(adjective, calm, beat, relaxed)
6
cold(adjective, calm, dull, flat)
5
dispassionate(adjective, calm, dull, quiet)
5
laid-back(adjective, calm, dull, quiet)
5
quiet(adjective, dull, easy, flat)
5
reposing(adjective, quiet, still, peaceful)
4
calm(adjective, quiet, relaxed, still)
3
casual(adjective, calm, careless, relaxed)
3
placid(adjective, calm, dull, quiet)
3
quiescent(adjective, quiet, still, peaceful)
2
serene(adjective, calm, quiet, moderate)
2
tranquil(adjective, quiet, still, peaceful)
2
unfeeling(adjective, calm, dull, flat)
1
amiable(adjective, quiet, moderate, gentle)
1
amicable(adjective, quiet, moderate, gentle)
1
civil(adjective, quiet, moderate, gentle)
1
collected(adjective, calm, quiet, moderate)
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APASmart Define. (2016). listless thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/listless/thesaurus/synonyms
ChicagoSmart Define. 2016. "listless thesaurus" https://smartdefine.org/listless/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, listless thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/listless/thesaurus/synonyms>.
MLASmart Define. "listless thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/listless/thesaurus/synonyms>