Dictionary
bred-in-the-bone
Pronunciation: (bred'n &thslash;u bōn'), [key]—
adj.
1. firmly instilled or established as if by heredity:
the bred-in-the-bone integrity of the school's headmaster.
2. deeply committed or resolved; unwavering:
a bred-in-the-bone believer in civil rights. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.