Plug
Plug verb - To devote serious and sustained effort.
Usage example: plugged away at solving the math problem
Peg away
Peg away verb - To devote serious and sustained effort.
Usage example: the writer pegged away at his first novel for three years before he felt that it was ready to be published
Cite this Source
Peg away and Plug. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/plug/peg_away
Plug & Peg away. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/plug/peg_away>.
Peg away or Plug. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/plug/peg_away.
Google Ngram Viewer shows how "plug" and "peg away" have occurred on timeline