Definition of crackpot in English:



  • An eccentric or foolish person.

    ‘people who claim famous past identities are usually dismissed as crackpots’
    • ‘There George, who appears throughout as himself, interviews a series of crackpots and misfits.’
    • ‘They can make even the most demented crackpots seem so… civilized.’
    • ‘Even the crackpots who vented at him received polite and gracious counter-arguments.’
    • ‘Of course crackpots with guns aren't a uniquely American problem.’
    • ‘There have always been conspiracy crackpots; nothing new there.’
    • ‘People on either side of this ‘argument’ are not crackpots; they are people with opinions, just like Harvey.’
    • ‘These women aren't crackpots or die-hard new-agers, however.’
    • ‘I seem to be the risk-free venture with certain crackpots.’
    • ‘Then there are crackpots and malcontents, and people who have been genuinely burned by the Bahamian experience.’
    • ‘We wondered if our neighbors would think it was the work of crackpots.’
    • ‘I know who these crackpots are and I couldn't be happier that somebody is standing up to them.’
    • ‘The good news is, the crackpots are planning to get together at a conference.’
    • ‘He worked for the Institute, home to various right-wing crackpots.’
    • ‘Now, the left-wing crackpots are finally having their moments in the sun.’
    • ‘Interesting to know the science and/or psychology behind the crackpots and their talking pots.’
    • ‘The sign likened protest zones to ‘a safe haven for crackpots.’’
    • ‘Most of them are not wealthy or trained or competent, and a lot are just crackpots.’
    • ‘It's a site dedicated to ‘cranks, crackpots, kooks, and loons on the Web.’’
    • ‘You're the people who've got criminal crackpots sitting on human-rights panels.’
    • ‘But Stein trots out his definition of a writer as if belonging to this group of crackpots is something to be proud of.’
    eccentric, oddity, odd fellow, unorthodox person, individualist, nonconformist, free spirit, bohemian, maverick, deviant, pervert, misfit, hippy, dropout
    View synonyms


  • attributive Eccentric; impractical.

    ‘his head's full of crackpot ideas’
    • ‘You better not be going to see those crackpot friends of yours!’
    • ‘It wasn't me that raised this crackpot idea, was it?’
    • ‘‘They are very interested in ideas but as Edward said, not in crackpot ones,’ continued Kathy.’
    • ‘I can't be micromanaging every crackpot decision of a hyperactive home secretary.’
    • ‘Israel and the U.S. already have officially rejected this crackpot theory.’
    • ‘These guys didn't get to be where they are by accepting every crackpot idea that came along.’
    • ‘People are allowed to believe whatever they like, and listen to whatever crackpot they choose.’
    • ‘The Paranoia Hotline was set up specifically for such crackpot allegations you know.’
    • ‘Hypnotism was to the Victorians what energy is to the New Age: a catch-all explanation for crackpot beliefs.’
    • ‘There are votes in environmental policy, no matter how crackpot or expensive.’
    • ‘It is full of absurd would-be lovers, quick-witted opportunists, cold-hearted villains and crackpot eccentrics.’
    • ‘However, such delusions of grandeur are not confined to crackpot monarchs.’
    • ‘She wants you to believe that crackpot story because she knows something else; something that she's not willing to tell.’
    • ‘The movie program isn't just some fly-by-night crackpot invention, either.’
    • ‘Whatever the reason, London needs plenty more crackpot ideas to keep it moving.’
    • ‘But the blogosphere's tendency toward crackpot theorizing could not be suppressed for long.’
    • ‘The reality is that every crackpot idea in the history of science has been defended on this very same basis.’
    • ‘Here is a typically maddening and illuminating specimen of Pasolini's sublime, crackpot antimodernism.’
    • ‘He'll be lucky to get any established writers on board with that crackpot policy.’
    • ‘The circus is coming, and it has nothing to do with soleil, shriners or tormented crackpot elephants!’
    unbalanced, of unsound mind, mentally ill, deranged, demented, crazed, distracted, troubled, disturbed, unhinged, insane, mad, mad as a hatter, mad as a march hare, raving mad, lunatic, out of one's head, out of one's mind, not in one's right mind, neurotic, psychotic
    View synonyms