Definition of avail someone nothing in English:

avail someone nothing

phrase

archaic
  • (of an action) be of no help at all to someone.

    ‘this protest availed her nothing’
    • ‘Such rights may have availed us nothing, had the client run into financial difficulties.’
    • ‘Climbing trees or diving into water will avail you nothing with a tiger.’
    • ‘I would suggest that his flying start to war has availed him nothing but the intensified scorn of the nation.’
    • ‘‘It withered my heart,’ he wrote in his diary, but his presence could avail her nothing now.’
    • ‘I'm afraid that your skills, such as they are, will avail you nothing.’