The most common and most likely answer to this crossword clue is the 3 plus 3 letter word GET ONE
I've seen this crossword clue in The Times
G
E
T
O
N
E
More clues leading to the result GET ONE
- Understand individuals’ private advocate is to be avenged
- Become agitated carelessly removing one’s clothing from washing machine?
- Become proficient at fitting a glass prosthesis?
- Practise act prior to lucky-dip grab
- Steam-roller‘s to secure a private road …
- Practise how to be a pickpocket
- Hurry to one at Skegness, rearranged
Buddy explains!
The straight part
We know that "to be avenged" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case to be avenged = get one.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.