A lot of thesaurus - A little bit dictionary


Overview of noun obstacle
1. obstacle, 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")

2. obstacle -- (an obstruction that stands in the way (and must be removed or surmounted or circumvented))

Made possible by Princeton University "About WordNet." WordNet. Princeton University. 2010. http://wordnet.princeton.edu