The most common and most likely answer to this crossword clue is the 14 letter word COARSE-GRAINED
C
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Buddy explains!
The straight part
We know that "Crude" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case crude = coarse-grained.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does COARSE-GRAINED mean?
COARSE-GRAINED adjective- Consisting of coarse particles.
- Having a coarse, irregular texture.
- Inelegant; gross.