Knuckle down
Knuckle down verb - Work very hard, like a slave.
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Synonyms for Knuckle down
Strain and knuckle down are semantically related. In some cases you can use "Strain" instead a verb "Knuckle down".
Strain
Strain verb - To devote serious and sustained effort.
Usage example: the whole department is straining to complete the project before the deadline
Knuckle down and strain are semantically related. Sometimes you can use "Knuckle down" instead a verb "Strain".
Cite this Source
Strain and Knuckle down. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/knuckle_down/strain
Knuckle down & Strain. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/knuckle_down/strain>.
Strain or Knuckle down. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/knuckle_down/strain.
Google Ngram Viewer shows how "knuckle down" and "strain" have occurred on timeline