I. ˈ ̷ ̷ˌ ̷ ̷ noun
1.
a. : a barricade (as of concrete, logs, boards, sandbags, barbed wire) often with traps or mines for holding up an enemy's advance at a point on the road covered by heavy fire from shelter
b. : a road barricade set up especially by law enforcement officers
c. : an obstruction in a road caused by wrecked vehicles, fallen trees, landslides, or debris
2. : a fact, condition, or countermeasure that blocks progress along a course or that prevents accomplishment of an objective
the hope that something could be done to remove the roadblock of the filibuster — P.H.Douglas
II. transitive verb
( -ed/-ing/-s )
: to put a roadblock in the way of