frown on

frown on idiom
Regard with disapproval or distaste, as in Pat frowns on bad language. this idiom transfers the disapproving facial expression to the thought it expresses. [Late 1500s]

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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