english
1
general::
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]
American Heritage Idioms
2
general::
Phrase(s): 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.
McGrawhill's American Idioms And Phrasal Verbs