The most common and most likely answer to this crossword clue is the 5 letter word AVOID
I've seen this crossword clue in The Daily Telegraph
A
V
O
I
D
More clues leading to the result AVOID
Buddy explains!

The straight part
We know that "Keep away from" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case keep away from = avoid.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 AVOID mean?
AVOID verb- To try not to meet or communicate with (a person); to shun
- To keep away from; to keep clear of; to stay away from
- To try not to do something or to have something happen
- To make empty; to clear.
- To make void, to annul; to refute (especially a contract).
- To defeat or evade; to invalidate.
- To emit or throw out; to void.
- To leave, evacuate; to leave as empty, to withdraw or come away from.
- To get rid of.
- To retire; to withdraw, depart, go away.
- To become void or vacant.