quibble


quibble (http://definr.com/quibble)

     n : an evasion of the point of an argument by raising irrelevant
         distinctions or objections [syn: quiddity]
     v 1: evade the truth of a point or question by raising irrelevant
          objections
     2: argue over petty things; "Let's not quibble over pennies"
        [syn: niggle, pettifog, bicker, squabble, brabble]