Synonyms of madcap in English:

madcap


See US English definition of madcap

See UK English definition of madcap

See Spanish definition of alocado

adjective

1‘a madcap scheme’

SYNONYMS
reckless, rash, hot-headed, daredevil, impulsive, wild, daring, adventurous, heedless, thoughtless, incautious, imprudent, indiscreet, ill-advised, hasty, foolhardy, foolish, senseless, impractical, hare-brained
informal crazy, crackpot, crackbrained
Scottish informal radge

2‘a madcap comedy’

SYNONYMS
zany, eccentric, ridiculous, unconventional, weird

noun

1‘she was a boisterous madcap’

SYNONYMS
eccentric, crank, madman, madwoman, maniac, lunatic, psychotic
oddity, odd fellow, character, individual
hothead, daredevil
informal crackpot, oddball, weirdo, loony, nut, nutcase, nutjob, cuckoo
British informal nutter
North American informal screwball
US informal wackadoo, wackadoodle
Scottish informal radge
Australian, New Zealand informal dingbat