(v.) That which stands in the way or opposes; anything that hinders progress; a hindrance; an obstruction, physical or moral.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). obstacle. Retrieved September 22, 2026, from http://smartdefine.org/obstacle/definitions/2038076 |
| Chicago | Webster's. 2011. "obstacle" http://smartdefine.org/obstacle/definitions/2038076 (accessed September 22, 2026). |
| Harvard | Webster's 2011, obstacle, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/obstacle/definitions/2038076>. |
| MLA | Webster's. "obstacle" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/obstacle/definitions/2038076> |