a key reason behind

USAGE SUMMARY

The phrase "a key reason behind" is correct and usable in written English.
It can be used to indicate a significant factor or cause for a particular situation or outcome. Example: "The lack of funding was a key reason behind the project's failure."

✓ Grammatically correct

News & Media

Science

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

32 human-written examples

These growing layers of complexity are a key reason behind the still sluggish current account switching market.

The Guardian - Money

Poundland has pointed directly to the fact there are fewer people on the high street as a key reason behind its slowing sales.

The Guardian - Business

The midfielder said Guardiola's convincing philosophy was a key reason behind his decision to swap the Bundesliga for the Premier League.

The Guardian - Sport

North Korea cites what it perceives as a US military threat as a key reason behind its need to build nuclear weapons, and has poured a huge chunk of its small national budget into defence, science and technology.

Independent

This inconvenienced Grapple planning, but, on a larger scale, underlined a key reason behind the operation, the schizophrenic nature of the Anglo-American relationship, which had peremptorily squashed the Suez adventure.

The Guardian

In MSM, higher numbers of partners is a key reason behind the heavily inflated rates, compounded by the use of apps such as Grindr, venue based and group sex.

The Guardian

Human-verified similar examples from authoritative sources

Similar Expressions

28 human-written examples

A key reason why women lag behind in leadership is that they are less likely to have extensive networks to support and promote them as potential leaders.

Harvard Business Review

Their focus is on low-cost soil diagnostics, which the team believes is a key reason why crop production in India lags behind other nations.

Massachusetts Institute of Technology

Under the strict residency, or hukou, policies that tie a person to his or her place of birth, social goods such as education, health care and housing are very hard to secure in cities for China's rural residents, a key reason that so many leave their children behind.

The New York Times

And the mystery behind this question was a key reason this was so interesting to me.

Forbes

The numbers behind basketball games are a key reason why I have the skills I do today.

Los Angeles Times

Expert writing Tips

Best practice

For increased impact, consider placing "a key reason behind" at the beginning of a sentence to immediately draw attention to the primary cause or justification.

Common error

Avoid using "a key reason behind" when the reason is merely contributory or minor. Reserve it for truly significant or decisive factors to maintain credibility.

Linguistic Context

The phrase "a key reason behind" functions as an introductory element to highlight a significant cause or explanation. It sets the stage for presenting the most important factor contributing to a specific outcome or situation. Ludwig's examples showcase its use across various domains.

Expression frequency: Common

Frequent in

News & Media

40%

Science

30%

Formal & Business

15%

Less common in

Academia

10%

Encyclopedias

3%

Wiki

2%

Ludwig's WRAP-UP

In summary, "a key reason behind" is a phrase used to introduce the most significant cause or explanation for a particular situation. Ludwig AI confirms its grammatical correctness and prevalence across diverse contexts, particularly in news, science, and formal business settings. When using this phrase, ensure that the reason you highlight is indeed a primary driver and clearly linked to the outcome you are discussing. By understanding its function, purpose, and common usage, writers can effectively employ "a key reason behind" to add emphasis and clarity to their explanations.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

a primary reason behind

Replaces "key" with "primary", indicating main importance.

a main reason behind

Substitutes "key" with "main", emphasizing centrality.

a key rationale behind

Replaces "reason" with "rationale", emphasizing logical justification.

a major reason behind

Replaces "key" with "major", highlighting significance.

a crucial reason behind

Substitutes "key" with "crucial", stressing indispensability.

a key consideration behind

Substitutes "reason" with "consideration", highlighting a factor taken into account.

a fundamental reason behind

Replaces "key" with "fundamental", indicating the basic or essential nature.

a key motive behind

Replaces "reason" with "motive", focusing on the driving force or intention.

a core reason behind

Substitutes "key" with "core", indicating a central or most important reason.

a key reason why

Slightly alters the structure to directly introduce a clause explaining the outcome.

FAQs

How can I use "a key reason behind" in a sentence?

You can use "a key reason behind" to introduce the most important cause or explanation for a particular outcome or situation. For example: "The lack of funding was "a key reason behind" the project's failure."

What can I say instead of "a key reason behind"?

You can use alternatives like "a primary cause of", "a major factor in", or "the main driver for" depending on the context.

Is it redundant to say "a key reason behind"?

While "reason" inherently implies a cause, using "key" emphasizes the significance or decisiveness of that reason. While not strictly redundant, ensure the context warrants highlighting the reason's importance.

What's the difference between "a key reason behind" and "one reason behind"?

"A key reason behind" suggests that the mentioned reason is the most important or decisive one, while "one reason behind" simply indicates that it is one of several possible causes.