Knuckle down
Knuckle down verb - Work very hard, like a slave.
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Synonyms for Knuckle down
Step back and knuckle down are semantically related. In some cases you can use "Step back" instead a verb "Knuckle down".
Step back
Knuckle down and step back are semantically related. Sometimes you can use "Knuckle down" instead a verb "Step back".
Mutual synonyms
Cite this Source
Step back and Knuckle down. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/knuckle_down/step_back
Knuckle down & Step back. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/knuckle_down/step_back>.
Step back or Knuckle down. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/knuckle_down/step_back.
Google Ngram Viewer shows how "knuckle down" and "step back" have occurred on timeline