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behalf

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noun be·half \bi-ˈhaf, -ˈhäf, bē-\

Definition of behalf

  1. :  interest, benefit; also :  support, defense <argued in his behalf>

on behalf of

or

in behalf of

  1. :  in the interest of; also :  as a representative of



Usage Discussion of behalf

A body of opinion favors in with the “interest, benefit” sense of behalf and on with the “support, defense” sense. This distinction has been observed by some writers but overall has never had a sound basis in actual usage. In current British use, on behalf (of) has replaced in behalf (of); both are still used in American English, but the distinction is frequently not observed.

Origin and Etymology of behalf

Middle English, from by + half half, side


First Known Use: 14th century



BEHALF Defined for Kids

behalf

play
noun be·half \bi-ˈhaf, -ˈhäf\

Definition of behalf for Students

  1. :  a person's interest or support <He argued in my behalf.>

on behalf of

or

in behalf of

  1. 1 :  in the interest of <I speak in behalf of my friend.>

  2. 2 :  as a representative of <I accepted the award on behalf of the whole class.>




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