behalf

noun

be·​half bi-ˈhaf How to pronounce behalf (audio)
-ˈhäf
bē-
: interest, benefit
also : support, defense
argued in his behalf
see also:
On Behalf of vs. in Behalf of: Usage Guide

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.

Examples of behalf in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Animal Control contracts an outside vendor, PetData, to handle licensing on its behalf. Nick Sullivan, Charlotte Observer, 6 Apr. 2026 Just as important, these shows let art fans size up the job curators are doing on their behalf. Ray Mark Rinaldi, Denver Post, 6 Apr. 2026 Ag Reserve nurseryman, Mike Atchison, the owner of Atchison Exotics, recently addressed the County Commission on behalf of the Agricultural Enhancement Council. Abigail Hasebroock, Sun Sentinel, 5 Apr. 2026 Uber maintains commercial auto insurance coverage on behalf of its drivers, although New York City requires drivers to hold that insurance themselves, said Uber spokesman Ryan Thornton. Cathy Bussewitz, Fortune, 4 Apr. 2026 See All Example Sentences for behalf

Word History

Etymology

Middle English, from by + half half, side

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of behalf was in the 14th century

Browse Nearby Words

Cite this Entry

“Behalf.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/behalf. Accessed 6 Apr. 2026.

Kids Definition

behalf

noun
be·​half bi-ˈhaf How to pronounce behalf (audio)
-ˈhȧf
: useful aid : support
spoke in my behalf

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