Definition of give someone/something best in English:

give someone/something best

phrase

British
dated
  • Admit the superiority of someone or something.

    ‘he finally decided to give us best and took himself off’
    • ‘But after a time I gave him best (left him) because he used to want to bite my ear too often.’
    • ‘Unsurprisingly, when Taiwan invoked an arbitration clause, the Swiss courts gave them best.’
    • ‘Let's not, then, shrug and give the bombers best.’
    • ‘Indeed many of the regulars gave it best and didn't even attempt to take it on, thus leaving a very limited field.’