Knuckle down and Plug

Related terms

Knuckle down verb - Work very hard, like a slave.

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Plug and knuckle down are semantically related. In some cases you can use "Plug" instead a verb "Knuckle down".

Plug verb - To devote serious and sustained effort.

Usage example: plugged away at solving the math problem

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Knuckle down and plug are semantically related. Sometimes you can use "Knuckle down" instead a verb "Plug".

Nearby Words: plugged, plugboard

Cite this Source

Plug and Knuckle down. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/knuckle_down/plug

Knuckle down & Plug. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/knuckle_down/plug>.

Plug or Knuckle down. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/knuckle_down/plug.

Google Ngram Viewer shows how "knuckle down" and "plug" have occurred on timeline