Keep away from (5)
I think it could be either:
'keep away from' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for avoid that I've seen before include "Stay away from or circumvent" , "Refrain from (something)" , "(If you can't 10), keep away from" , "Get out of" , "Prevent from happening; nullify (law)" .)
'keep away from' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for evade that I've seen before include "Dodge or equivocate" , "Escape, avoid" , "Shirk" , "Dodge, stay clear of" , "Dodge, keep clear of" .)