Obstacle vs Roadblock

When to use each in English, with meaning, register, and examples.

Obstacle

Top 2,000 (common)B2noun

Roadblock

Top 5,000 (fairly common)
Most common: Obstacle
 ObstacleRoadblock
Pronunciation🇬🇧 //ˈɒbstəkl//🇺🇸 //ˈɑbstəkl//🇬🇧 //ˈrəʊdblɒk//🇺🇸 //ˈroʊdblɑk//
MeaningSomething that makes it difficult to do something.An obstacle on a road that stops cars or people.
ExampleHe faced many obstacles during his journey to success.The roadblock caused a significant delay in our journey.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 5,000 (fairly common)
CEFR levelB2-
Part of speechnoun
Collocationsface an obstacle, overcome an obstacle, see an obstacleroadblock situation, create a roadblock, overcome a roadblock, deal with a roadblock
Antonymsadvantage, help, facilitatorclear path, smooth passage
Common mistakesConfusing with 'obstacle course' which is a specific kind of challenge., Using 'obstacles' when discussing non-physical challenges like fears or emotions., Mixing it up with 'obstruction', which often has legal connotations.Confusing with 'blockage', which is more general., Using inappropriately for minor issues; implies a significant obstacle., Not distinguishing between physical and metaphorical uses.
Usage notesUsed in contexts where something hinders progress or achievement. Typically neutral; avoid in overly casual contexts.Use 'roadblock' to describe both physical barriers and figurative obstacles. More common in casual contexts but can also be appropriate in formal discussions about challenges.

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Roadblock

Frequently asked questions: Obstacle vs Roadblock

What's the difference between Obstacle and Roadblock?

Obstacle: Something that makes it difficult to do something. Roadblock: An obstacle on a road that stops cars or people.

Which is more common: Obstacle and Roadblock?

Obstacle is the most common in everyday English.

Can you show an example of each?

Obstacle: He faced many obstacles during his journey to success. Roadblock: The roadblock caused a significant delay in our journey.

Can I use Obstacle and Roadblock interchangeably?

Not always. Obstacle and Roadblock are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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