/ Dictionary / Index O obstacle course: Meaning and Definition of Find definitions for: ob'stacle course" Pronunciation: [key] a military training area having obstacles, as hurdles, ditches, and walls, that must be surmounted or crossed in succession. an event, situation, course of action, or the like that presents many challenges or difficulties. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. obstacle obstacle race Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language