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obstacle

/ˈɒb.stə.kəl/
IELTSAcademic
noun

An obstacle is something that blocks your way or makes progress difficult. It can be a physical thing, or a problem that slows you down.

  • A fallen tree was an obstacle on the road.
  • Lack of money became the main obstacle.
  • She overcame every obstacle in her path.

Adinary Nuance

Obstacle is a general word for anything that makes progress harder. A barrier is more clearly something that physically blocks movement or access. A challenge can be difficult, but it often sounds more positive than obstacle because it suggests effort and growth.

In other languages

Vietnamese
trở ngại
Spanish
obstáculo
Chinese
障碍
Japanese
障害
Korean
장애물

Etymology

Obstacle came into English from Old French obstacle in the 14th century. It goes back to Latin obstaculum, from obstare meaning “to stand in the way.”

Common phrases

overcome an obstaclemajor obstacleobstacle coursean obstacle to progress

Synonyms

Related words

Frequently asked questions

What is the difference between obstacle and barrier?
An obstacle is any thing or problem that makes progress hard. A barrier often suggests a stronger block, especially a physical one.
Is obstacle a formal word?
It is neutral and common in both speaking and writing. It is often used in academic and business English.
Can I say an obstacle in my path?
Yes. It is a natural phrase, especially in writing or speeches.
What words can replace obstacle?
You can often use hindrance, barrier, or difficulty, depending on the context.