with one voice

with one voice idiom
Unanimously, in complete agreement, as in The board rejected the proposal with one voice. [Late 1300s] For synonyms, see as one; to a man.

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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