Definition of headcase in English:



  • A mentally ill or unstable person.

    • ‘Of their surviving sons, Tilden is a taciturn headcase while Bradley is a sadistic brute who chopped off one of his legs with a chainsaw.’
    • ‘I at least hope I have convinced you that my mom is a headcase and look forward to cathartically yet necessarily reviewing the insanity of my father next Saturday.’
    • ‘‘This headcase barricades himself in a room with a set of drums, a $20 Casio keyboard, a guitar and a bass and emerges with the coolest, weirdest record of the past year.’’
    • ‘I would recommend this workout to anyone, married or single, because it makes you fit and makes you more lethal than the headcase who has his eye on you.’
    • ‘The producers seem to take the most fragile of headcases from our TV slots and ram them into a house stuffed with other fragile headcases.’
    • ‘‘She thought it was a joke, that I was some kind of headcase,’ Dwan says.’
    • ‘I like to think I'm polite. From my boxing, people think I'm a headcase, but I surprise people when they meet me.’
    • ‘The strange thing is, after the exam incident, I turned into this lazy, scruffy headcase.’
    • ‘You can admit you like theatre and nobody thinks you're a headcase.’
    • ‘With the near-constant turmoil he's been through in two years at Minnesota - NCAA sanctions, a new coach, an academic mess - there are whispers that he could be a headcase.’
    • ‘You're gonna meet some headcases on this shift!’
    • ‘And, because the sets are still not used by a mass-market audience, you do look like a headcase in public places speaking, apparently, into nothingness.’
    • ‘Let's keep this headcase and his howler-monkeys out of office for another term.’
    • ‘A quiet descended so deep and calm that I felt sure the person had left, gone to pound on some other headcase's front door, but then whoever-it-was knocked again.’
    • ‘I wouldn't want to tangle with that other headcase.’
    • ‘He was a headcase all dinner and he reeked of eau de scotch.’
    • ‘I refuse to accept that it can be statistically possible for the Conservative Party in the country to contain a higher percentage of headcases.’
    • ‘Stop being such an emotional headcase, she mentally scolded herself.’
    • ‘He has gone from thinking, ‘She's a headcase,’ to, ‘She seems like a complex, intriguing yet flawed human being, in whom I may still have an interest.’’
    • ‘I refuse to change it because of one complete and utter headcase.’
    madman, madwoman, maniac, lunatic
    loony, nut, nutcase, nutjob, nutter, fruitcake, cuckoo, basket case, headbanger, schizo, crank, crackpot, oddball, weirdo, weirdie, sicko
    odd bod
    screwball, crazy, kook, geek, nutso, meshuggener, wacko, wack
    wing nut, wackadoo, wackadoodle
    View synonyms