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frown on (something)
To disapprove or show one's disapproval of something. I just know my mother frowns on my decision to go to a state school. If people frown on such relationships, they're just living in the past.
frown on someone or something
to disapprove of someone or something; to show displeasure or disapproval of someone or something. The Internal Revenue Service frowns on tax cheaters. Aunt Clara always seemed to frown on my cousin for some reason.
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]
frown onor frown upon
To disapprove of something: The administration frowns on late submissions of the required forms. My parents frown upon loud music.