26
wild(noun, adjective, careless, silly, foolish)
23
reckless(noun, adjective, sharp, rude, violent)
21
rash(noun, adjective, sharp, rude, violent)
18
foolhardy(noun, adjective, rude, careless, wild)
14
impulsive(noun, adjective, intense, rude, careless)
13
daredevil(noun, adjective, careless, wild, bold)
13
hotheaded(adjective, careless, crazy, careful, thoughtless)
12
impetuous(noun, adjective, intense, rude, violent)
12
imprudent(adjective, careless, wild, silly, foolish)
12
lunatic(noun, adjective, person, silly, crazy)
11
brash(adjective, careless, wild, crazy, careful)
11
crazy(noun, adjective, person, rough, silly)
11
heedless(adjective, careless, fast, crazy, quick)
11
incautious(adjective, sharp, rude, careless, indifferent)
11
zany(noun, adjective, person, fool, silly)
10
thoughtless(adjective, rude, careless, crazy, impulsive)
10
devil-may-care(noun, adjective, careless, wild, anxious)
9
hasty(adjective, violent, careless, fast, careful)
9
precipitate(noun, verb, adjective, intense, rude)
8
harum-scarum(noun, adjective, violent, fast, careful)
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APASmart Define. (2015). madcap thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/madcap/thesaurus/synonyms
ChicagoSmart Define. 2015. "madcap thesaurus" https://smartdefine.org/madcap/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, madcap thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/madcap/thesaurus/synonyms>.
MLASmart Define. "madcap thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/madcap/thesaurus/synonyms>