Bug up
Trouble
Trouble verb - To experience concern or anxiety.
Mutual synonyms
Cite this Source
Trouble and Bug up. (2016). Retrieved 2026, August 12, from https://thesaurus.plus/related/bug_up/trouble
Bug up & Trouble. N.p., 2016. Web. 12 Aug. 2026. <https://thesaurus.plus/related/bug_up/trouble>.
Trouble or Bug up. 2016. Accessed August 12, 2026. https://thesaurus.plus/related/bug_up/trouble.
Google Ngram Viewer shows how "bug up" and "trouble" have occurred on timeline