91 entries under adjective topic. ×

2
improvident(careless, spendthrift)
2
imprudent(kind, prudent)
2
lax(false, loose, reckless)
2
offhand(careless, abrupt)
2
adventurous
2
derelict(careless, negligent)
2
goofy
2
imprecise
2
inconsiderate(false, loose, reckless)
2
indiscreet(false, loose, reckless)
2
irresponsible(careless, reckless, responsible)
2
rash(reasonable, sensible, false, careless)
2
sloppy
2
superficial(sensible, detail, deep, depth)
2
tactless(careless, unthinking, tactful)
1
crass(coarse, sensitive, insensitive)
1
delinquent(early, irresponsible, defaulting)
1
disorderly
1
headlong(slow, reckless, dangerous)
1
idiotic(reasonable, smart, false, loose)
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APASmart Define. (2016). careful thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/careful/thesaurus/antonyms
ChicagoSmart Define. 2016. "careful thesaurus" https://smartdefine.org/careful/thesaurus/antonyms (accessed September 29, 2026).
HarvardSmart Define 2016, careful thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/careful/thesaurus/antonyms>.
MLASmart Define. "careful thesaurus" 24 January 2016. Web. 29 September 2026. <https://smartdefine.org/careful/thesaurus/antonyms>