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
Mutual synonyms
Cite this Source
Smash and Cross up. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/cross_up/smash
Cross up & Smash. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/cross_up/smash>.
Smash or Cross up. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/cross_up/smash.
Google Ngram Viewer shows how "cross up" and "smash" have occurred on timeline