The most common and most likely answer to this crossword clue is the 6 letter word ASSART
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More clues leading to the result ASSART
Buddy explains!
The straight part
We know that "grub" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case grub = assart.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 ASSART mean?
ASSART noun- Forest land cleared for agriculture.
- The act or offence of grubbing up trees and bushes, and thus destroying the thickets or coverts of a forest.
- To clear forest land for agriculture; remove stumps.