Definition of obstacle
: something that impedes progress or achievement <Mosquitoes were a great obstacle to the building of the Panama Canal.> < … elders … often facing daily medical, social, and psychological obstacles. — Vicki Bloom and B. B. Green-Field>
Examples of obstacle in a sentence
He overcame the obstacles of poverty and neglect.
They must overcome a number of obstacles before the restaurant can be opened.
Lack of experience is a major obstacle for her opponent.
She swerved to avoid an obstacle in the road.
OBSTACLE Defined for English Language Learners
Definition of obstacle for English Language Learners
: something that makes it difficult to do something
: an object that you have to go around or over : something that blocks your path
OBSTACLE Defined for Kids
Seen and Heard
What made you want to look up obstacle? Please tell us where you read or heard it (including the quote, if possible).