Definition of get wise in US English:

get wise

phrase

  • Become alert or aware.

    ‘the birds get wise and figure out it's just noise’
    • ‘I was only certain of one thing: I got wise because I outlived my earlier mistakes.’
    • ‘American buyers are getting wise to the fact that they're overpriced, oversized, overly thirsty and over the bumper of other innocent vehicles in an accident.’
    • ‘Move it around every day or two, so the birds don't get wise.’
    • ‘How many times do big chunks of these pay days get passed on to other operators and organizations without the operators and organizations getting wise to the game?’
    • ‘Following yet another arrest, the authorities got wise to his true identity and fugitive status.’