Definition of (as) bright as a button in English:

(as) bright as a button

phrase

British
informal
  • Intelligently alert and lively.

    ‘some of them are frail physically but are as bright as a button in their minds’
    • ‘Gary's bright as a button; he's seven.’
    • ‘He was sat up in bed, looking bright as a button, his face full of the square-jawed confident grin.’
    • ‘He was as bright as a button, full of humour and with a large dash of devilment thrown in!’
    • ‘As she felt as bright as a button she decided to hunt for a while.’
    • ‘Cole was bright as a button down the left and Babbel in the other direction made things interesting.’