Synonyms of head case in English:

head case


See definition of headcase

noun

1

SYNONYMS
madman, madwoman, maniac, lunatic
informal loony, nut, nutcase, nutjob, nutter, fruitcake, cuckoo, basket case, headbanger, schizo, crank, crackpot, oddball, weirdo, weirdie, sicko
British informal odd bod
Scottish informal radge
North American informal screwball, crazy, kook, geek, nutso, meshuggener, wacko, wack
US informal wing nut, wackadoo, wackadoodle
North American, Australian, New Zealand informal dingbat
informal, dated case