0 If someone is dyed-in-the-wool, or has dyed-in-the-wool opinions, they hold those opinions strongly and will not change them:
The interests are too dyed in the wool to allow for anything that his suggested new clause would allow.
The only connecting link must be that they are all dyed in the wool in that part of the world.
He insisted however that progress towards unity could only be achieved with the agreement of the monarchs, all of whom were dyed-in-the-wool reactionaries.
He was a dyed-in-the-wool conservative and did not care who knew.
Textile fibre may be dyed before spinning (dyed in the wool), but most textiles are yarn-dyed or piece-dyed after weaving.
The dyed-in-the-wool dogmatists say no, that is not possible.
If he can be portrayed as a dyed-in-the-wool old courtier, it all adds to the fun.
I am not a dyed-in-the-wool, blue water, type.