Exercise
Exercise verb - To bring to bear especially forcefully or effectively.
Knuckle down and exercise are semantically related. In some cases you can use "Knuckle down" instead a verb "Exercise".
Knuckle down
Knuckle down verb - Work very hard, like a slave.
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Synonyms for Knuckle down
Exercise and knuckle down are semantically related. Sometimes you can use "Exercise" instead a verb "Knuckle down".
Cite this Source
Knuckle down and Exercise. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/exercise/knuckle_down
Exercise & Knuckle down. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/exercise/knuckle_down>.
Knuckle down or Exercise. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/exercise/knuckle_down.
Google Ngram Viewer shows how "exercise" and "knuckle down" have occurred on timeline