Wiktionary
frown upon
vb. (context transitive idiomatic English) To disapprove (of).
WordNet
frown upon
v. look disapprovingly upon [syn: frown on]
Usage examples of "frown upon".
We frown upon reckless killings, but wounded or leaderless members of our Courts often kill when they do not truly need to.
He rapidly overtook Lady Fair, and Heather pulled her horse back to a walk as Brandon drew up beside and laughed at the worried frown upon his face.
With a dark frown upon his brow, he was scanning the crowd, and now and again a curse broke through his set lips when he saw the Stadtholder still delayed by futile leave-takings.
We are all suffering with Our Lord this day, and may suffer more, but I do not think He would frown upon our use of a stiff dose of medicinal palliative.