- The definition of an obstacle is something that gets in the way or that slows or stops progress.
- An example of an obstacle is not having the tuition money to go to college.
- An example of an obstacleis when a road block is set up in your way that prevents you from passing by.
This road block is an obstacle.
obstacle definition by Webster's New World
Origin: Old French ; from Classical Latin obstaculum, obstacle ; from obstare, to withstand ; from ob- (see ob-) plush stare, to stand
obstacle definition by American Heritage Dictionary
Origin: Middle English, from Old French, from Latin obstāculum, from obstāre, to hinder : ob-, against; see ob- + stāre, to stand; see stā- in Indo-European roots.