2
permissive(soft, tolerant, sluggish, lazy, lenient)
2
procrastinating(dull, slow, careless, idle, sluggish)
2
promiscuous
2
relaxed(adjective, calm, cool, casual, offhand)
2
rude(indifferent, unconcerned, unkind, uncaring, impolite)
2
shabby(adjective, slovenly)
2
shoddy
2
silly(adjective, careless, foolish, stupid, senseless)
2
slothful(adjective, dull, careless, idle, sluggish)
2
slow(adjective, dull, careless, sluggish, late)
2
sluggish(adjective, dull, slow, idle, late)
2
squalid(adjective, slovenly)
2
stupid(obtuse, unperceptive, unobservant)
2
unaware(adjective, indifferent, silly, foolish, unconcerned)
2
undiscerning(adjective, careless, indifferent, apathetic, unconcerned)
2
unguarded(careless, bold, thoughtless, rash, wary)
2
unkempt(adjective, slovenly)
2
unvigilant(adjective, careless, bold, thoughtless, impulsive)
2
unwise(adjective, inappropriate, imprudent, misguided, injudicious)
1
airheaded(adjective, careless, vague, sloppy, slack)
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APASmart Define. (2015). neglectful thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/neglectful/thesaurus/synonyms
ChicagoSmart Define. 2015. "neglectful thesaurus" https://smartdefine.org/neglectful/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, neglectful thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/neglectful/thesaurus/synonyms>.
MLASmart Define. "neglectful thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/neglectful/thesaurus/synonyms>