Cross up
Cross up verb - To reduce the soundness, effectiveness, or perfection of.
Usage example: your refusal to cooperate will cross up the whole investigation
Gum up
Gum up verb - To prevent passage through by filling with something.
Cite this Source
Gum up and Cross up. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/cross_up/gum_up
Cross up & Gum up. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/cross_up/gum_up>.
Gum up or Cross up. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/cross_up/gum_up.
Google Ngram Viewer shows how "cross up" and "gum up" have occurred on timeline