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
Test Your Vocabulary
Name That Color
-
- Name that color:

Test your vocabulary with our 10-question quiz!
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share obstacle
Time Traveler for obstacle
The first known use of obstacle was in the 14th century
See more words from the same century