insurmountable obstacle

USAGE SUMMARY

'insurmountable obstacle' is a correct and usable phrase in written English.
You could use it to describe an obstacle that cannot be overcome, such as a physical or financial barrier. For example, "The high cost of tuition was an insurmountable obstacle for many students."

✓ Grammatically correct

News & Media

Formal & Business

Academia

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

"It's not an insurmountable obstacle," he said.

The New York Times - Sports

Would your bureaucracy pose an insurmountable obstacle?

Harvard Business Review

This season, no stadium or deficit seems an insurmountable obstacle.

The New York Times - Sports

This should no longer be an insurmountable obstacle.

The Economist

The language barrier was his most insurmountable obstacle.

Independent

This is not an insurmountable obstacle, of course.

The Guardian - Lifestyle

But tribal politics are not an insurmountable obstacle.

The Guardian - Opinion

Without the parent's presence, even a fall from a playground swing would be an insurmountable obstacle.

Stanford University

The problem gets bigger, and starts to become an insurmountable obstacle".

The New York Times

The country's parlous state is not an insurmountable obstacle to foreign investment.

The New York Times

It's like having more money, though — it doesn't present their opponents with an insurmountable obstacle.

The New Yorker

Expert writing Tips

Best practice

Pair it with verbs like "prove to be", "present" or "become" to describe how a situation has evolved into a dead end.

Common error

Do not use "insurmountable obstacle" for minor inconveniences or challenges that just require hard work. Overusing this phrase for solvable problems diminishes its impact and can make your writing seem dramatic or imprecise.

Linguistic Context

The phrase "insurmountable obstacle" functions as a noun phrase where an adjective of impossibility modifies a count noun. Ludwig AI confirms that it is almost always used as a predicate nominative or the object of a preposition to define the nature of a problem.

Expression frequency: Very common

Frequent in

News & Media

55%

Formal & Business

20%

Academia

15%

Less common in

Science

6%

Social Media

3%

Fiction

1%

Ludwig's WRAP-UP

The phrase "insurmountable obstacle" is an exceptionally robust and reliable colocation in the English language. With 60 distinct examples cited by Ludwig, its usage is well-documented across elite publications like The New York Times, The Economist and The Guardian. As Ludwig AI suggests, it is the standard choice for describing a barrier that is impossible to overcome. Whether applied to legal hurdles, physical barriers or diplomatic deadlocks, it provides a clear and authoritative signal of a complete stoppage. Writers should use it when they want to convey that a challenge is not just difficult, but truly unconquerable under current conditions.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

insuperable obstacle

uses a more formal and slightly more technical synonym for insurmountable

impassable barrier

shifts the metaphor from a general obstacle to a physical or structural barrier

unconquerable hurdle

implies a challenge that cannot be defeated through effort or willpower

impossible roadblock

uses more contemporary and idiomatic language to describe a halt in progress

formidable impediment

suggests a very difficult but potentially not strictly impossible challenge

overwhelming challenge

focuses on the emotional or resource-based burden rather than pure impossibility

intractable problem

often used in scientific or policy contexts for issues that resist solution

unyielding constraint

describes a limitation that cannot be adjusted or moved

unbeatable difficulty

uses simpler vocabulary while maintaining the core meaning of defeat

irreconcilable difference

specifically refers to obstacles in logic, relationships or negotiations

FAQs

How to use "insurmountable obstacle" in a sentence?

You can use it to describe a situation that prevents success, such as "The language barrier proved to be an "insurmountable obstacle" for the new manager".

What can I say instead of "insurmountable obstacle"?

Depending on the tone, you can use alternatives like "<a href="/s/insuperable+obstacle" target="_blank" rel="alternative">insuperable obstacle", "<a href="/s/impossible+barrier" target="_blank" rel="alternative">impossible barrier" or "<a href="/s/unbeatable+challenge" target="_blank" rel="alternative">unbeatable challenge".

Is it correct to say "insurmountable obstacle"?

Yes, it is a perfectly correct and standard English colocation. Ludwig AI lists numerous examples from reputable sources like The New York Times and Harvard Business Review.

What is the difference between "insurmountable obstacle" and "formidable obstacle"?

An "insurmountable obstacle" cannot be overcome, whereas a "<a href="/s/formidable+obstacle" target="_blank" rel="alternative">formidable obstacle" is very difficult and intimidating but might still be conquered with enough effort.