cavil

–verb (used without object)

1.	to raise irritating and trivial objections; find fault with unnecessarily (usually fol. by at or about): He finds something to cavil at in everything I say.

–verb (used with object)

2.	to oppose by inconsequential, frivolous, or sham objections: to cavil each item of a proposed agenda.

–noun

3.	a trivial and annoying objection.

4.	the raising of such objections.