59 entries under cool topic. ×

4
incurious(adjective, calm, careless, relaxed)
4
offhand(adjective, calm, relaxed, detached)
4
unexcited(adjective, calm, relaxed, indifferent)
3
blase(calm, informal, relaxed, indifferent)
3
detached(adjective, calm, relaxed, indifferent)
3
relaxed(adjective, calm, slow, careless)
3
serene(adjective, calm, relaxed, indifferent)
3
unfeeling(adjective, calm, relaxed, detached)
2
calm(adjective, relaxed, detached, casual)
2
composed(adjective, calm, relaxed, casual)
2
loose(adjective, calm, relaxed, indifferent)
2
placid(adjective, calm, relaxed, casual)
2
remote(adjective, relaxed, detached, casual)
2
untroubled(adjective, calm, relaxed, indifferent)
1
imperturbable(adjective, calm, relaxed, casual)
1
laid back(expression, adjective, calm, informal)
1
mellow(adjective, calm, relaxed, detached)
1
neglectful(adjective, calm, dull, careless)
1
neutral(adjective, calm, dull, relaxed)
1
trifling(adjective, calm, dull, careless)
10 years ago|21k views|share |citing 
APASmart Define. (2016). lackadaisical thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/lackadaisical/thesaurus/synonyms
ChicagoSmart Define. 2016. "lackadaisical thesaurus" https://smartdefine.org/lackadaisical/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, lackadaisical thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/lackadaisical/thesaurus/synonyms>.
MLASmart Define. "lackadaisical thesaurus" 2 March 2016. Web. 28 September 2026. <https://smartdefine.org/lackadaisical/thesaurus/synonyms>