62 entries under casual topic. ×

53
lazy(adjective, action, calm, dull, slow)
20
lackadaisical(adjective, dull, slow, careless, relaxed)
8
indifferent(adjective, dull, slow, careless, relaxed)
7
lax(adjective, dull, indifferent, sluggish)
7
remiss(adjective, dull, careless, thoughtless)
5
careless(adjective, dull, indifferent, apathetic)
3
negligent(adjective, careless, sluggish, lazy)
3
pococurante(adjective, happy-go-lucky, slapdash)
3
unconcerned(adjective, dull, careless, indifferent)
2
forgetful(adjective, slow, careless, indifferent)
2
heedless(adjective, careless, lethargic, languid)
2
thoughtless(adjective, slow, careless, indifferent)
2
tranquil(adjective, calm, mild, relaxed)
2
unheeding(adjective, happy-go-lucky, slapdash)
2
unmindful(adjective, careless, negligent, lax)
2
unthinking(adjective, happy-go-lucky, slapdash)
1
abstracted(careless, indifferent, apathetic, lethargic)
1
complaisant(adjective, calm, mild, relaxed)
1
devil-may-care(adjective, calm, mild, relaxed)
1
disregardful(slow, careless, indifferent, thoughtless)
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APASmart Define. (2015). indolent thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/indolent/thesaurus/synonyms
ChicagoSmart Define. 2015. "indolent thesaurus" https://smartdefine.org/indolent/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, indolent thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/indolent/thesaurus/synonyms>.
MLASmart Define. "indolent thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/indolent/thesaurus/synonyms>