knuckle down
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.knuckle down
intransitive verbDefinition of KNUCKLE DOWN
: to apply oneself earnestly
First Known Use of KNUCKLE DOWN
circa 1864
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All Words Near: knuckle down
Previous Word in the Dictionary: knucklebone
All Words Near: knuckle down
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