Bum
Bum verb - To spend time doing nothing.
Thrum
Thrum verb - Sound the strings of (a string instrument).
Mutual synonyms
Cite this Source
Thrum and Bum. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/bum/thrum
Bum & Thrum. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/bum/thrum>.
Thrum or Bum. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/bum/thrum.
Google Ngram Viewer shows how "bum" and "thrum" have occurred on timeline