Definition of dyed in the wool adjective from the Oxford Advanced Learner's Dictionary

 

dyed in the wool

 adjective
adjective
BrE
 
; NAmE
 
[usually before noun](usually disapproving)
 
jump to other results
having strong beliefs or opinions that are never going to change dyed-in-the-wool traditionalists From the idea that wool which was dyed in its raw state gave a more even and lasting colour.
See the Oxford Advanced American Dictionary entry: dyed in the wool