Stop up
Stop up verb - To prevent passage through by filling with something.
Wall up
Cite this Source
Wall up and Stop up. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/stop_up/wall_up
Stop up & Wall up. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/stop_up/wall_up>.
Wall up or Stop up. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/stop_up/wall_up.
Google Ngram Viewer shows how "stop up" and "wall up" have occurred on timeline