stonewalling -- (stalling or delaying especially by refusing to answer questions or cooperate)
Overview of verb stonewall
The verb stonewall has 2 senses
stonewall -- (obstruct or hinder any discussion; "Nixon stonewalled the Watergate investigation"; "When she doesn't like to face a problem, she simply stonewalls")
stonewall -- (engage in delaying tactics or refuse to cooperate; "The President stonewalled when he realized the plot was being uncovered by a journalist")