obstacle
— Noun
– English
~ an obstruction that stands in the way (and must be removed or surmounted or circumvented)
obstacle
— Noun
– English
~ 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"