obstacle
noun(ob-sta-cle)
something that impedes progress or achievement
obstacle
noun(ob-sta-cle)
a military training course filled with obstacles (such as hurdles, fences, walls, and ditches) that must be negotiated; broadly : a series of obstacles that must be overcome
obstacle
noun(ob-sta-cle)
a race through a series of objects that participants have to jump or climb over, go around, go under, etc.