Defamation in print (5)
I believe the answer is:
libel
'defamation in print' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for libel that I've seen before include "Written defamation" , "Calumnious writing" , "Offence" , "Damaging publication" , "Defame in writing" .)