Definition of banjax in English:

banjax

verb

[WITH OBJECT]usually as adjective banjaxed
informal
  • Ruin, incapacitate, or break.

    ‘the kettle's banjaxed’
    • ‘That's where nearly all of Galway city and county gets their drinking water and if that gets polluted, we're banjaxed.’
    • ‘Many of the best experiences of my life, as well as some of the worst, have come about as a result of my being banjaxed.’
    • ‘But the logic is it is that unless we are all participating then we are banjaxed.’
    • ‘I'm definitely going to have to get something done about my teeth, because they'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.’
    wreck, ruin, spoil, disrupt, undo, upset, play havoc with, make a mess of, put an end to, end, bring to an end, put a stop to, terminate, prevent, frustrate, blight, crush, quell, quash, dash, scotch, shatter, vitiate, blast, devastate, demolish, sabotage, torpedo
    View synonyms

Origin

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

Pronunciation

banjax

/ˈbandʒaks/