Hammer away
Plug and hammer away are semantically related. In some cases you can use "Plug" instead a verb "Hammer away".
Plug
Plug verb - To devote serious and sustained effort.
Usage example: plugged away at solving the math problem
Cite this Source
Plug and Hammer away. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/hammer_away/plug
Hammer away & Plug. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/hammer_away/plug>.
Plug or Hammer away. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/hammer_away/plug.
Google Ngram Viewer shows how "hammer away" and "plug" have occurred on timeline