adjective
- through and through; complete: a dyed-in-the-wool reformer.
- dyed before weaving.
adjective
- extreme or unchanging in attitude, opinion, etc
- (of a fabric) made of dyed yarn
Thoroughgoing or complete: “The door-to-door salespeople are wasting their time with Evans; he’s a dyed-in-the-wool advocate of shopping on the Internet.”