240 entries under adjective topic. ×

30
negligent(noun, calm, cool, soft)
28
remiss(noun, dull, soft, neglect)
27
inattentive(noun, dull, sharp, rude)
24
careless(noun, calm, dull, cool)
24
heedless(noun, sharp, neglect, rude)
23
thoughtless(sharp, neglect, rude, careless)
21
unmindful(noun, soft, sharp, neglect)
19
forgetful(soft, careless, cold, silly)
15
derelict(soft, careless, indifferent, careful)
15
regardless(adverb, soft, careless, cold)
14
delinquent(soft, careless, indifferent, failing)
14
inadvertent(careless, cold, forget, rash)
13
slack(noun, dull, soft, slow)
12
lax(soft, slow, careless, indifferent)
11
disregardful(soft, sharp, rude, careless)
11
inconsiderate(sharp, rude, careless, cold)
11
perfunctory(neglect, cold, forget, uncaring)
9
oblivious(noun, soft, careless, indifferent)
9
reckless(careless, indifferent, thoughtless, unconcerned)
9
unobservant(noun, careless, cold, indifferent)
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APASmart Define. (2015). neglectful thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/neglectful/thesaurus/synonyms
ChicagoSmart Define. 2015. "neglectful thesaurus" https://smartdefine.org/neglectful/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, neglectful thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/neglectful/thesaurus/synonyms>.
MLASmart Define. "neglectful thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/neglectful/thesaurus/synonyms>