- 1 obstacle (to something/to doing something) a situation, an event, etc. that makes it difficult for you to do or achieve something synonym hindrance A lack of qualifications can be a major obstacle to finding a job. So far, we have managed to overcome all the obstacles that have been placed in our path. The senator claims that there is now no obstacle to him being in the next election.
- 2 an object that is in your way and that makes it difficult for you to move forward The area was full of streams and bogs and other natural obstacles.