100 entries under careless topic. ×

20
inattentive(noun, adjective, cold, indifferent)
17
heedless(noun, adjective, cold, indifferent)
14
unmindful(noun, adjective, cold, indifferent)
11
negligent(noun, adjective, cold, casual)
11
unheeding(verb, adjective, cold, careful)
10
neglectful(noun, adjective, cold, indifferent)
10
regardless(adjective, adverb, cold, foolish)
9
absent-minded(noun, adjective, cold, foolish)
9
inadvertent(adjective, cold, foolish, stupid)
9
thoughtless(adjective, cold, indifferent, foolish)
8
inobservant(adjective, cold, forget, uncaring)
8
oblivious(noun, adjective, indifferent, casual)
8
unwatchful(adjective, cold, forget, uncaring)
7
distrait(noun, adjective, cold, forget)
7
unseeing(adjective, dull, indifferent, thoughtless)
6
blind(adjective, indifferent, apathetic, unconcerned)
6
remiss(noun, adjective, cold, foolish)
5
indifferent(noun, adjective, casual, apathetic)
5
unthinking(adjective, indifferent, foolish, stupid)
4
distracted(noun, adjective, indifferent, apathetic)
11 years ago|3.1k views|share |citing 
APASmart Define. (2015). unobservant thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unobservant/thesaurus/synonyms
ChicagoSmart Define. 2015. "unobservant thesaurus" https://smartdefine.org/unobservant/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, unobservant thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unobservant/thesaurus/synonyms>.
MLASmart Define. "unobservant thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/unobservant/thesaurus/synonyms>