Bug up
Frown upon and bug up are semantically related. In some cases you can use "Frown upon" instead a verb "Bug up".
Frown upon
Frown upon verb - Look disapprovingly upon.
Bug up and frown upon are semantically related. Sometimes you can use "Bug up" instead a verb "Frown upon".
Cite this Source
Frown upon and Bug up. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/bug_up/frown_upon
Bug up & Frown upon. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/bug_up/frown_upon>.
Frown upon or Bug up. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/bug_up/frown_upon.
Google Ngram Viewer shows how "bug up" and "frown upon" have occurred on timeline