Meaning of dyed-in-the-wool

dyed-in-the-wool

Pronunciation: (dīd'n-u-wool'), [key]
— adj.
  1. through and through; complete: a dyed-in-the-wool reformer.
  2. dyed before weaving.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.