Blunder
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
Mutual synonyms
Cite this Source
Bollix up and Blunder. (2016). Retrieved 2026, July 31, from https://thesaurus.plus/related/blunder/bollix_up
Blunder & Bollix up. N.p., 2016. Web. 31 Jul. 2026. <https://thesaurus.plus/related/blunder/bollix_up>.
Bollix up or Blunder. 2016. Accessed July 31, 2026. https://thesaurus.plus/related/blunder/bollix_up.
Google Ngram Viewer shows how "blunder" and "bollix up" have occurred on timeline