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.
In spite of their original values of humanitarianism and neutrality, these organizations have been morally debased from within, using the language of human rights and international justice yet deploying it on behalf of autocracies and against the liberal democracies that created them. Simon Sebag Montefiore, The Atlantic, 28 June 2026 The lawsuit was filed in Jackson County Circuit Court on Thursday on behalf of Abby Grizzell, of Lee’s Summit, who attorneys said was bowled over and trampled by a group of youths on June 6. Nathan Pilling, Kansas City Star, 27 June 2026 The Lebanese government had been wary of having Iran negotiate on its behalf, and Lebanon launched its own direct negotiations with Israel after the outbreak of the latest Israel-Hezbollah war. Ben Finley, Chicago Tribune, 27 June 2026 This will allow the model to take over your device and perform actions on your behalf. Paul Monckton, Forbes.com, 27 June 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 1 Jul. 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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