Cavil (7)
'cavil' is the definition.
(I know that cavil can be written as quibble)
This is all the clue.
(Other definitions for quibble that I've seen before include "Slight objection" , "Make trivial objections" , "Trivial objection" , "Split hairs" , "Nit-pick" .)
'cavil' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for nitpick that I've seen before include "Find little fault" , "Choose carefully" , "Find fault fussily" , "Raise petty objections" , "Carp" .)