an obstruction that stands in the way (and must be removed or surmounted or circumvented)
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"
the action of prohibiting or inhibiting or forbidding (or an instance thereof); "they were restrained by a prohibition in their charter"; "a medical inhibition of alcoholic beverages"; "he ignored his parents' forbiddance"
a law forbidding the sale of alcoholic beverages; "in 1920 the 18th amendment to the Constitution established prohibition in the US"
a decree that prohibits something
refusal to approve or assent to
the period from 1920 to 1933 when the sale of alcoholic beverages was prohibited in the United States by a constitutional amendment
a portable shelter (usually of canvas stretched over supporting poles and fastened to the ground with ropes and pegs); "he pitched his tent near the creek"