56 entries under neglectful topic. ×

5
heedless(adjective, careless, indifferent, casual, quick)
5
inadvertent(adjective, careless, indifferent, casual, thoughtless)
5
inconsiderate(adjective, careless, casual, quick, thoughtless)
5
lax(adjective, slow, careless, indifferent, casual)
5
shoddy(adjective, worthlessness)
4
derelict(adjective, slow, careless, indifferent, thoughtless)
4
precipitate(adjective, careful, quick, rash, oblivious)
4
unheedful(adjective, careless, indifferent, unconcerned, sloppy)
3
bumbling
3
disregardful(adjective, slow, careless, indifferent, casual)
3
hit-and-miss
3
nonchalant(adjective, careless, indifferent, casual, unconcerned)
3
senile
3
slack(adjective, careless, indifferent, loose, dirty)
2
foolhardy(adjective, careful, quick, rash, oblivious)
2
imprudent(casual, rash, happy-go-lucky, oblivious)
2
unwary(rash, oblivious)
1
asleep at switch(expression, adjective, idiom, slow, careless)
1
behindhand(adjective, slow, careless, indifferent, thoughtless)
1
daydreaming(careless, rash, negligent, lax, oblivious)
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APASmart Define. (2016). slapdash thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/slapdash/thesaurus/synonyms
ChicagoSmart Define. 2016. "slapdash thesaurus" https://smartdefine.org/slapdash/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, slapdash thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/slapdash/thesaurus/synonyms>.
MLASmart Define. "slapdash thesaurus" 1 March 2016. Web. 28 September 2026. <https://smartdefine.org/slapdash/thesaurus/synonyms>