obstacle

1. Something immaterial that stands in the way and must be circumvented or surmounted (synset 105698074)
   "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"
   is a type of: balk, baulk, check, deterrent, handicap, hinderance, hindrance, impediment - something immaterial that interferes with or delays action or progress
   subtypes:

   • barrier, roadblock - any condition that makes it difficult to make progress or to achieve an objective
   • hang-up, hitch, rub, snag - an unforeseen obstacle
   • hurdle - an obstacle that you are expected to overcome
   • stymie, stymy - a thwarting and distressing situation
   same as: obstruction
2. An obstruction that stands in the way (and must be removed or surmounted or circumvented) (synset 103845315)
   is a type of: impediment, impedimenta, obstructer, obstruction, obstructor - any structure that makes progress difficult
   subtypes:

   • hazard - an obstacle on a golf course
   • stumbling block - any obstacle or impediment
   • water jump - a pool or stream in a steeplechase or similar contest

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