Bollix up
Bollix up verb - To make or do (something) in a clumsy or unskillful way.
Usage example: you've bollixed up the whole thing
Gum up
Gum up verb - To prevent passage through by filling with something.
Mutual synonyms
Cite this Source
Gum up and Bollix up. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/bollix_up/gum_up
Bollix up & Gum up. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/bollix_up/gum_up>.
Gum up or Bollix up. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/bollix_up/gum_up.
Google Ngram Viewer shows how "bollix up" and "gum up" have occurred on timeline