510 entries under adjective topic. ×

10
indifferent(feature, state, neglect, trait)
10
unwary(careless, foolish, thoughtless, impulsive)
10
unwise(careless, silly, foolish, stupid)
10
extravagant(free, easy, careless, wild)
9
brave(smart, bold, impulsive, daring)
9
crazy(silly, foolish, stupid, mad)
9
nonchalant(feature, state, careless, trait)
8
neglectful(careless, indifferent, thoughtless, unconcerned)
8
mindless(careless, indifferent, wild, stupid)
8
adventuresome(smart, wild, thought, mad)
8
desperate(wild, anxious, thought, worried)
8
forgetful(casual, happy-go-lucky, slapdash, neglectful)
8
regardless(careless, indifferent, thought, casual)
8
senseless(crazy, mad, odd, insane)
8
silly(careless, foolish, stupid, crazy)
8
venturous(careless, wild, thought, mad)
8
volatile(free, wild, nervous, emotional)
8
worry-free(feature, state, trait)
7
absurd(silly, stupid, crazy, mad)
7
intrepid(strong, smart, bold, spirited)
11 years ago|25k views|share |citing 
APASmart Define. (2015). reckless thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/reckless/thesaurus/synonyms
ChicagoSmart Define. 2015. "reckless thesaurus" https://smartdefine.org/reckless/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, reckless thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/reckless/thesaurus/synonyms>.
MLASmart Define. "reckless thesaurus" 3 August 2015. Web. 22 September 2026. <https://smartdefine.org/reckless/thesaurus/synonyms>