45 entries under bold topic. ×

2
injudicious(adjective, careless, thoughtless, impulsive)
2
temerarious(adjective, careless, wild, thoughtless)
1
adventuresome(adjective, careless, wild, thoughtless)
1
caught napping(expression, careless, thoughtless, wary)
1
fast-and-loose(careless, thoughtless, wary, heedless)
1
foot-in-mouth(careless, thoughtless, wary, heedless)
1
harebrained(adjective, careless, wild, foolish, immoral)
1
headstrong(adjective, careless, anxious, worried)
1
ill-advised(adjective, careless, wild, thoughtless)
1
ill-judged(careless, thoughtless, rash, wary)
1
improvident(careless, thoughtless, rash, wary)
1
indiscreet(adjective, careless, wild, thoughtless)
1
neglectful(soft, careless, thoughtless, slack)
1
not careful(expression, careless, thoughtless, wary)
1
off guard(expression, careless, thoughtless, wary)
1
pay no mind(expression, idiom, careless, thoughtless)
1
unalert(careless, thoughtless, wary, heedless)
1
unguarded(careless, thoughtless, impulsive, wary)
1
unvigilant(careless, thoughtless, wary, heedless)
1
unwatchful(careless, thoughtless, wary, heedless)
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APASmart Define. (2015). devil-may-care thesaurus. Retrieved September 25, 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 25, 2026).
HarvardSmart Define 2015, devil-may-care thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/devil-may-care/thesaurus/synonyms>.
MLASmart Define. "devil-may-care thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/devil-may-care/thesaurus/synonyms>