58 entries under heedless topic. ×

1
capricious(adjective, free, careless, wild, foolish)
1
caught napping(expression, careless, bold, thoughtless, wary)
1
changeable(adjective, free, wild, reckless, outrageous)
1
fanciful(adjective, free, careless, wild, extravagant)
1
fast-and-loose(careless, bold, thoughtless, wary)
1
fickle(adjective, free, careless, wild, foolish)
1
fitful(adjective, free, careless, wild, extravagant)
1
fluctuating(adjective, free, careless, wild, extravagant)
1
foot-in-mouth(careless, bold, thoughtless, wary)
1
frivolous(adjective, free, easy, keen, happy)
1
hot and cold(expression, adjective, idiom, free, careless)
1
ill-advised(adjective, careless, wild, bold, thoughtless)
1
ill-judged(careless, bold, thoughtless, rash, wary)
1
improvident(careless, bold, thoughtless, rash, wary)
1
inconstant(adjective, free, careless, wild, extravagant)
1
indiscreet(adjective, careless, wild, bold, thoughtless)
1
neglectful(soft, careless, bold, thoughtless, slack)
1
not careful(expression, careless, bold, thoughtless, wary)
1
off guard(expression, careless, bold, thoughtless, wary)
1
pay no mind(expression, idiom, careless, bold, thoughtless)
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APASmart Define. (2015). devil-may-care thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/devil-may-care/thesaurus/synonyms
ChicagoSmart Define. 2015. "devil-may-care thesaurus" https://smartdefine.org/devil-may-care/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, devil-may-care thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/devil-may-care/thesaurus/synonyms>.
MLASmart Define. "devil-may-care thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/devil-may-care/thesaurus/synonyms>