47 entries under slack topic. ×

30
negligent(noun, adjective, calm, cool, soft)
28
remiss(noun, adjective, dull, soft, neglect)
21
unmindful(noun, adjective, soft, sharp, neglect)
19
forgetful(adjective, soft, careless, cold, silly)
15
derelict(adjective, soft, careless, indifferent, careful)
15
regardless(adjective, adverb, soft, careless, cold)
14
delinquent(adjective, soft, careless, indifferent, failing)
12
lax(adjective, soft, slow, careless, indifferent)
11
disregardful(adjective, soft, sharp, rude, careless)
9
oblivious(noun, adjective, soft, careless, indifferent)
8
absent-minded(noun, adjective, careless, cold, forget)
8
indifferent(noun, adjective, calm, dull, cool)
8
lazy(adjective, slow, careless, idle, failing)
8
slipshod(adjective, soft, careless, indifferent, common)
7
sloppy(adjective, soft, careless, tolerant)
4
behindhand(adjective, soft, slow, careless, indifferent)
2
casual(adjective, calm, cool, soft, careless)
2
easygoing(adjective, calm, cool, soft, careless)
2
out of it(expression, adjective, idiom, dull, careless)
2
out to lunch(expression, adjective, idiom, careless, 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>