honor bound

honor bound idiom
Obliged by one's personal integrity, as in She was honor bound to admit that it was her work and not her sister's. Also see on one's honor.

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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