621 entries under adjective topic. ×

20
forgetful(soft, cold, indifferent, silly)
19
indiscreet(sharp, rough, wild, foolish)
19
lax(feature, state, soft, indifferent)
18
devil-may-care(feature, state, trait, easygoing)
18
perfunctory(neglect, cold, forget, uncaring)
17
hasty(sharp, rough, passionate, violent)
17
nonchalant(feature, state, calm, cool)
16
slipshod(soft, rough, poor, awful)
15
slovenly(careful, sloppy, incompetent, inept)
14
impulsive(foolish, unstable, unreasonable, quick)
14
unwary(cold, forget, thoughtless, uncaring)
13
foolhardy(weak, thoughtless, impulsive, rash)
13
haphazard(organization, plan, wild, casual)
13
impetuous(anxious, quick, bold, worried)
13
unheeding(cold, careful, casual, forget)
13
unobservant(noun, cold, indifferent, foolish)
13
wild(weak, extravagant, thoughtless, impulsive)
12
slack(noun, dull, soft, indifferent)
12
cursory(casual, quick, sloppy, inattentive)
12
inaccurate(soft, common, casual, tolerant)
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APASmart Define. (2016). careless thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/careless/thesaurus/synonyms
ChicagoSmart Define. 2016. "careless thesaurus" https://smartdefine.org/careless/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, careless thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/careless/thesaurus/synonyms>.
MLASmart Define. "careless thesaurus" 3 March 2016. Web. 24 September 2026. <https://smartdefine.org/careless/thesaurus/synonyms>