73 entries under unconcerned topic. ×

6
dreamy(adjective, quiet, easy, careless, heavy)
6
insouciant(adjective, feature, state, calm, cool)
6
offhand(adjective, calm, cool, careless, relaxed)
5
abstracted(noun, adjective, careless, casual, thoughtless)
5
detached(noun, adjective, calm, cool, relaxed)
5
lackadaisical(adjective, calm, quiet, cool, easy)
5
mindless(adjective, indifferent, wild, stupid, casual)
5
unconscious(adjective, careless, indifferent, apathetic, thoughtless)
4
blase(adjective, calm, cool, relaxed, cold)
3
airy(adjective, feature, state, calm, cool)
3
deaf(adjective, sharp, rude, indifferent, short)
3
impassive(adjective, calm, cool, relaxed, cold)
3
insensible(adjective, cold, indifferent, dead)
3
light(adjective, feature, state, calm, cool)
3
neutral(adjective, calm, cool, relaxed, cold)
3
unaware(adjective, silly, foolish, senseless)
2
absentminded(adjective, careless, indifferent, apathetic)
2
blind(adjective, sharp, rude, careless, indifferent)
2
laid back(expression, adjective, feature, state, calm)
2
out to lunch(expression, adjective, idiom, careless)
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APASmart Define. (2015). negligent thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/negligent/thesaurus/synonyms
ChicagoSmart Define. 2015. "negligent thesaurus" https://smartdefine.org/negligent/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, negligent thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/negligent/thesaurus/synonyms>.
MLASmart Define. "negligent thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/negligent/thesaurus/synonyms>