#1
obstacle n. [
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 suc
. wn #2
obstacle n. an obstruction that stands in the way (and must be removed or surmounted or circumvented)
. wn