Plug up
Plug up verb - To prevent passage through by filling with something.
Seal
Seal verb - Close with or as if with a seal.
Mutual synonyms
Cite this Source
Seal and Plug up. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/plug_up/seal
Plug up & Seal. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/plug_up/seal>.
Seal or Plug up. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/plug_up/seal.
Google Ngram Viewer shows how "plug up" and "seal" have occurred on timeline