5
unconcerned(adjective, sharp, rude, careless, indifferent)
5
unheedful(adjective, careless, indifferent, sloppy, inattentive)
5
unthinking(adjective, sharp, rude, careless, indifferent)
4
disobedient(adjective, disobedient)
4
indifferent(adjective, soft, sharp, slow, rude)
4
regardless(adjective, adverb, soft, slow, careless)
3
absent-minded(adjective, casual, inattentive, happy-go-lucky, slapdash)
3
brash
3
casual(adjective, soft, careless, common, tolerant)
3
cursory(adjective, careless, indifferent, casual, thoughtless)
3
disinterested(adjective, inattentive)
3
distracted(adjective, inattentive)
3
faraway(adjective, inattentive)
3
incurious(adjective, careless, indifferent, sloppy, inattentive)
3
lazy(adjective, slow, careless, indifferent, thoughtless)
3
slipshod(adjective, soft, slow, careless, indifferent)
3
slovenly(adjective, careless, indifferent, sloppy, inattentive)
3
uninterested(adjective, inattentive)
2
apathetic
2
behindhand(adjective, soft, slow, careless, indifferent)
11 years ago|3.3k views|share |citing 
APASmart Define. (2015). disregardful thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/disregardful/thesaurus/synonyms
ChicagoSmart Define. 2015. "disregardful thesaurus" https://smartdefine.org/disregardful/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, disregardful thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/disregardful/thesaurus/synonyms>.
MLASmart Define. "disregardful thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/disregardful/thesaurus/synonyms>