it could be key

USAGE SUMMARY

The phrase "it could be key" is correct and usable in written English.
You can use it when suggesting that something may be crucial or important in a particular context or situation. Example: "In solving this mystery, the witness's testimony could be key to uncovering the truth."

✓ Grammatically correct

News & Media

Science & Research

Science

Human-verified examples from authoritative sources

Exact Expressions

3 human-written examples

It could be key to producing a definitive Welsh play by exploring what it means to be a part of the bilingual communities that make up more than a fifth of the Welsh population.

The Guardian

Though the technology has yet to be tested outside the lab, researchers say it could be key to adding sensation to artificial limbs or even enhancing the senses we already have.

Science Magazine

An alternative explanation is that instead of high levels of K14 and K23 acetylation being an important epigenetic marker, it could be key to not have disproportionally high levels of K18 during histone assembly, and that is why the acetylation pattern of CBP is more evenly distributed on H3 alone, although this has yet to be seen.

Biochemistry

Human-verified similar examples from authoritative sources

Similar Expressions

57 human-written examples

The reasons why pollsters got it wrong could be key to understanding how much trouble Trump faces in New Hampshire and beyond, and how accurate surveys of future primaries will be.

Huffington Post

However, the fact that Costa was booked in the original incident could indicate the referee saw it, but whether he saw it in its entirety could be key to the striker's fate.

Independent

Ironically, cyanides are incredibly toxic to life once it's established, but they could be key ingredients in the chemical precursors for life.

Science Magazine

In particular, I feel like a company like OpenDataSoft could be key when it comes to making cities a bit more data-driven.

TechCrunch

As machine learning and big data are becoming more and more important, a collaborative tool like Dataiku could be key when it comes to prototyping data-driven models and extracting data.

TechCrunch

That could be key.

Independent

That could be key for Arsenal.

Independent

His decision-making could be key in the lineout.

The Guardian - Sport

Expert writing Tips

Best practice

When using "it could be key", ensure the context clearly defines what 'it' refers to. Ambiguity can weaken the statement's impact.

Common error

Avoid using "it could be key" when the element in question is merely helpful or contributory. Reserve it for situations where the element is genuinely critical to the outcome.

Linguistic Context

The phrase "it could be key" functions as a modal phrase expressing potential importance. It suggests that something has the capacity to be a crucial element or factor, without definitively stating that it is.

Expression frequency: Uncommon

Frequent in

News & Media

33%

Science & Research

33%

Science

33%

Less common in

Formal & Business

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

The phrase "it could be key" is used to suggest the potential importance or crucial nature of something, according to Ludwig AI. While grammatically correct and acceptable, it's important to use it appropriately, reserving it for elements that are genuinely critical rather than merely helpful. Alternatives such as "it might be crucial" or "it may be essential" can be used to express similar meanings with slight variations in emphasis. The phrase appears most frequently in news and media, scientific research, and scientific contexts, as shown by Ludwig.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

it could hold the key

Rephrases the sentence, but keeps the 'key' metaphor.

it might be crucial

Replaces 'could' with 'might' and 'key' with 'crucial', softening the strength of the assertion.

it may be essential

Substitutes 'could' with 'may' and 'key' with 'essential', indicating necessity.

it could be pivotal

Replaces "key" with 'pivotal', which emphasizes its importance in determining or affecting something

it may prove decisive

Replaces 'could be key' with 'may prove decisive', highlighting the potential to determine an outcome.

it may hold the answer

Uses a more metaphorical expression to indicate a potential solution or explanation.

it might be instrumental

Emphasizes the facilitating aspect of being "key", suggesting it enables or aids in achieving something.

it could be a game changer

Replaces "key" with the idiom 'game changer', suggesting a significant impact.

it could be of great importance

Replaces "key" with 'of great importance', expanding on the significance.

it might be a turning point

Indicates the potential to alter a situation significantly.

FAQs

What does "it could be key" mean?

The phrase "it could be key" means that something has the potential to be very important or crucial in a particular situation.

How to use "it could be key" in a sentence?

You can use "it could be key" to suggest that a specific factor, strategy, or piece of information might be essential for success or understanding. For example, "In solving this mystery, the witness's testimony "could be key" to uncovering the truth."

What can I say instead of "it could be key"?

You can use alternatives like "it might be crucial", "it may be essential", or "it could be pivotal" depending on the context.

What's the difference between "it could be key" and "it is key"?

"It could be key" suggests a possibility or potential, whereas "it is key" states a certainty. The former is less assertive and implies more uncertainty.