Knuckle down
Knuckle down verb - Work very hard, like a slave.
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Synonyms for Knuckle down
Settle and knuckle down are semantically related. In some cases you can use "Settle" instead a verb "Knuckle down".
Settle
Settle verb - To cause to come to rest at the bottom (as of a liquid).
Knuckle down and settle are semantically related. Sometimes you can use "Knuckle down" instead a verb "Settle".
Cite this Source
Settle and Knuckle down. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/knuckle_down/settle
Knuckle down & Settle. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/knuckle_down/settle>.
Settle or Knuckle down. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/knuckle_down/settle.
Google Ngram Viewer shows how "knuckle down" and "settle" have occurred on timeline