Cover up
Cover up verb - To keep from being publicly known.
Wall off
Wall off verb - To disallow entry into (a place) by means of a physical barrier at the entry point.
Mutual synonyms
Cite this Source
Wall off and Cover up. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/cover_up/wall_off
Cover up & Wall off. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/cover_up/wall_off>.
Wall off or Cover up. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/cover_up/wall_off.
Google Ngram Viewer shows how "cover up" and "wall off" have occurred on timeline