7
carelessly(adverb, recklessly, neglectfully)
7
heedlessly(adverb, recklessly, inattentively)
6
inadvertently(adverb, neglectfully)
6
inattentively(adverb, recklessly, inattentively, neglectfully)
6
recklessly(adverb, recklessly, neglectfully)
5
neglectfully(adverb, carelessly, neglectfully)
5
nonchalantly(adverb, hastily, carelessly, recklessly, thoughtlessly)
5
thoughtlessly(adverb, recklessly, inattentively, neglectfully)
4
forgetfully(adverb, neglectfully)
4
remissly(adverb, neglectfully)
3
inconsiderately(adverb, neglectfully)
3
indifferently(adverb, recklessly)
3
lazily(adverb, lazy)
3
mindlessly
3
perfunctorily(adverb, neglectfully)
3
sloppily(adverb, neglectfully)
2
casually
2
imprudently(adverb, recklessly)
2
laxly
2
obliviously(adverb, inattentively)
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APASmart Define. (2016). negligently thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/negligently/thesaurus/synonyms
ChicagoSmart Define. 2016. "negligently thesaurus" https://smartdefine.org/negligently/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, negligently thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/negligently/thesaurus/synonyms>.
MLASmart Define. "negligently thesaurus" 24 March 2016. Web. 20 September 2026. <https://smartdefine.org/negligently/thesaurus/synonyms>