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.
2. to oppose by inconsequential, frivolous, or sham objections: to cavil each item of a proposed agenda.
http://dictionary.reference.com/browse/cavil
The constant caviling on her part ensured that nothing that was proposed was accomplished, or even decided on.
