in one's behalf adv. phr.,
informal 1. For someone else; in your place.
My husband could not be here tonight, but I want to thank you on his behalf. 2. For the good of another person or group; as a help to someone.
My teacher went to the factory and spoke in my behalf when I was looking for a job. Compare: IN BEHALF OF, ON ONE'S ACCOUNT.
[TahlilGaran] English Idioms Dictionary ▲