Definition of bone-deep

1 : as deep as the bone : penetrating to the depth of bone Donna slipped on a rock and fell on another, leaving a bone-deep cut on her right leg that required 21 stitches to close.— Jack McCallum, Sports Illustrated, 31 July 1989 The woman … sustained bone-deep puncture wounds to a thigh and arm before a neighbor drove the dogs away with a baseball bat.Winston-Salem Journal, 14 Sept. 2012
2 : very thorough or deeply felt bone-deep weariness The man has a bone-deep understanding of what motivates human beings.— Deirdre Donahue, USA Today, 21 Oct. 2010 : deeply ingrained Ry Cooder's bone-deep sense of Americana has never kept him from outside ethnic influences.— Josef Woodard, Rolling Stone, 13 May 1993

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First Known Use of bone-deep

1950, in the meaning defined at sense 2

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The first known use of bone-deep was in 1950

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formidable, illustrious, or eminent

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