Noun
That which obstructs or impedes; an obstacle; an impediment; a hindrance.
The condition of having the natural powers obstructed in their usual course; the arrest of the vital functions; death.
Source: Webster's dictionarylack of imagination is an obstacle to one's advancement Source: Internet
the poverty of a district is an obstacle to good education Source: Internet
the filibuster was a major obstruction to the success of their plan Source: Internet
obstruction of justice Source: Internet
Add to that his ensuing impeachment on charges of perjury and obstruction of justice, and Bill seems an unlikely pick in the swoon-worthy love interest category. Source: Internet
A 50-year-old Woolloongabba woman was also charged with causing an obstruction. Source: Internet