is the key

USAGE SUMMARY

The phrase "is the key" is correct and usable in written English.
You can use it when you want to emphasize that something is an important part of a situation or process. For example, "Perseverance is the key to success."

✓ Grammatically correct

News & Media

Wiki

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Size is the key.

The New Yorker

Simplicity is the key.

The New York Times

"Iran is the key.

The New York Times

Colourful is the key.

The Guardian

Protection is the key.

The New York Times

Contrast is the key.

The New Yorker

Flexibility is the key.

Independent

Compassion is the key.

Independent

Redemption is the key.

The New York Times - Arts

"Growth is the key".

The New York Times

Technology is the key".

The New York Times

Expert writing Tips

Best practice

Use "is the key" to highlight the most important factor in achieving a specific outcome. For instance, "Consistent effort is the key to mastering any skill."

Common error

Avoid using "is the key" excessively in a single piece of writing. Overuse can diminish its impact. Instead, vary your language by using synonyms like "crucial", "essential", or "vital" to maintain reader engagement.

Linguistic Context

The phrase "is the key" functions as a predicate nominative, identifying the subject with the most crucial element. Ludwig AI confirms its grammatical correctness and usability.

Expression frequency: Common

Frequent in

News & Media

60%

Wiki

40%

Science

0%

Less common in

Formal & Business

0%

Encyclopedias

0%

Social Media

0%

Ludwig's WRAP-UP

In summary, "is the key" is a common and grammatically correct phrase used to emphasize the most important factor in a situation. According to Ludwig, it's versatile across various contexts, although it's most frequently found in news and media, as well as Wiki content. While simple, overuse should be avoided, and more sophisticated alternatives can be employed in formal writing. Using synonyms like "crucial", "essential", or "vital" can maintain reader engagement. Ludwig AI confirms the validity of this phrase and suggests considering alternative phrasing for specific nuances.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

is crucial

Uses "crucial" to convey the critical importance of something.

is essential

Substitutes "key" with "essential", highlighting the necessity of something.

is vital

Replaces "key" with "vital", stressing the indispensable nature.

is the critical element

Replaces "key" with "critical element", a more descriptive substitution.

is paramount

Replaces "key" with a stronger synonym, emphasizing ultimate importance.

is central

Highlights that something is at the heart of the matter.

is fundamental

Emphasizes the foundational aspect, differing slightly in connotation from "key".

is the deciding factor

Focuses on the influence on a final outcome.

is the most important thing

Expands the phrase to explicitly state importance.

is the linchpin

Uses "linchpin" to suggest that something holds everything together.

FAQs

How can I use the phrase "is the key" in a sentence?

Use "is the key" to emphasize the most important element for achieving a specific outcome. For example, "Communication "is the key" to a successful relationship."

What are some alternatives to saying "is the key"?

You can use alternatives such as "is essential", "is crucial", or "is vital" depending on the specific context.

Is it grammatically correct to use "is the key" in formal writing?

Yes, the phrase "is the key" is grammatically correct and appropriate for both formal and informal writing, although consider using more sophisticated synonyms in highly formal contexts.

What's the difference between "is the key" and "is important"?

"Is the key" implies a higher degree of importance than "is important". "Is the key" suggests that something is absolutely necessary, while "is important" simply means it holds significance.