D defs.my
Entry 1 sense Webster, 1913

Obstacle

/äb'-stək-əl/ · Ob·sta·cle · IPA /ˈɑbstəkəl/
01 n. That which stands in the way, or opposes; anything that hinders progress; a hindrance; an obstruction, physical or moral.
  1. 1.
    That which stands in the way, or opposes; anything that hinders progress; a hindrance; an obstruction, physical or moral.
    “If all obstacles were cut away. And that my path were even to the crown.” Shak.