You searched for: “obstacle
obstacle
An obstruction that stands in the way or hinders progress, and which must be removed or surmounted or circumvented before it is possible to continue.
obstacle, impediment
obstacle (AHB stuh kuhl) (noun)
An obstruction standing in the way of achievement or progress: The rainy weather is an obstacle to George's camping trip.

The route for the race was well planned with one major obstacle about half way through the course.

Being short was never an obstacle to Jerry's success as a singer.

impediment (im PED uh muhnt) (noun)
That which is a hindrance or a bar to the successful achievement of something: Andrew's sprained ankle should not be an impediment to his attending the ceremonies at school.

Karin worked hard to overcome the impediment of a lisp in her speech.

Bonita figured the mountain was just another impediment. She was determined that there would be no obstacle to her summer hiking vacation.