Crud up
Rot
Rot verb - To become worse or of less value.
Mutual synonyms
Cite this Source
Rot and Crud up. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/crud_up/rot
Crud up & Rot. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/crud_up/rot>.
Rot or Crud up. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/crud_up/rot.
Google Ngram Viewer shows how "crud up" and "rot" have occurred on timeline