Look for line expunged in glossy (4)
I believe the answer is:
seek
'look for' is the definition.
(synonyms)
I can't explain the remainder of the clue.
Can you help me to learn more?
(Other definitions for seek that I've seen before include "Try to find" , "Ask for (permission)" , "Attempt to find; ask for" , "'. . . . and ye shall find'" , "Try to locate or reach" .)