Definition of banjax in English:

banjax

Line breaks: ban¦jax
Pronunciation: /ˈbandʒaks
 
/

verb

[with object] (usually as adjective banjaxed) • informal
  • Ruin, incapacitate, or break: the kettle’s banjaxed
    More example sentences
    • That's where nearly all of Galway city and county gets their drinking water and if that gets polluted, we're banjaxed.
    • Come into work feeling like an idiot, go straight up to the person in charge of you and explain that your alarm clock was banjaxed or something.
    • I'm definitely going to have to get something done about my teeth, because they're banjaxed.

Origin

1930s: originally Anglo-Irish, of unknown origin.

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