obstruction

nouns

any structure that makes progress difficult
impediment, impedimenta, obstructer, obstruction, obstructor
the physical condition of blocking or filling a passage with an obstruction
blockage, obstruction
something immaterial that stands in the way and must be circumvented or surmounted
"lack of imagination is an obstacle to one's advancement"; "the poverty of a district is an obstacle to good education"; "the filibuster was a major obstruction to the success of their plan"
obstacle, obstruction
the act of obstructing
"obstruction of justice"
obstruction
is derived from
obstruct
is derived from
obstruct
is a type of (narrower)
the act of hindering or obstructing or impeding
hinderance, hindrance, interference
getting in someone's way
obstruction
is a type of (narrower)
a deliberate coordinated movement requiring dexterity and skill
"he made a great maneuver"; "the runner was out on a play by the shortstop"
maneuver, manoeuvre, play