Synonyms for obstacle

Noun

1. obstacle, obstruction, hindrance, deterrent, impediment, balk, baulk, check, handicap

usage: something immaterial that stands in the way and must be circumvented or surmounted; "lack of immagination 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, obstruction, obstructor, obstructer, impediment, impedimenta

usage: an obstruction that stands in the way (and must be removed or surmounted or circumvented)