A lot of thesaurus - A little bit dictionary

'obstacle'

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))



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