Dyed-in-the-wool and Mad keen

Dyed-in-the-wool adjective - Being such by habit and not likely to change.

Mad keen and dyed-in-the-wool are semantically related. in deep-dyed topic. In some cases you can use "Mad keen" instead an adjective phrase "Dyed-in-the-wool". informal substitute

Dyed-in-the-wool and mad keen are semantically related. Sometimes you can replace phrase "Dyed-in-the-wool" with "Mad keen", this phrases are similar.