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1. Obstruct or hinder any discussion
   "Nixon stonewalled the Watergate investigation"; "When she doesn't like to face a problem, she simply stonewalls"
    
2. Engage in delaying tactics or refuse to cooperate
   "The President stonewalled when he realized the plot was being uncovered by a journalist"

1. A fence built of rough stones; used to separate fields

Derived forms: stonewalled, stone walls, stonewalling, stonewalls

See also: stonewaller, stonewalling

Type of: block, blockade, delay, detain, embarrass, fence, fencing, hinder, hold up, obstruct, stymie, stymy

Encyclopedia: Stone wall