Definition of for fair in US English:

for fair


informal, dated
  • Completely and finally.

    ‘then we'd be rid of him for fair’
    • ‘Henkels & McCoy has been in the high wire and hot wire business ever since 1935 and in 1938 we were in it for fair, though the 1938 job was foul enough for many of the people affected.’
    • ‘I seem to be putting my foot in it for fair," said the green marine, looking discouraged.’