Cover up
Cover up verb - To keep from being publicly known.
Look stern and cover up are semantically related. In some cases you can use "Look stern" instead a verb "Cover up".
Look stern
Cover up and look stern are semantically related. Sometimes you can use "Cover up" instead a verb phrase "Look stern".
Cite this Source
Look stern and Cover up. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/cover_up/look_stern
Cover up & Look stern. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/cover_up/look_stern>.
Look stern or Cover up. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/cover_up/look_stern.
Google Ngram Viewer shows how "cover up" and "look stern" have occurred on timeline