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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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is undoubtedly

Grammar usage guide and real-world examples

USAGE SUMMARY

The term 'is undoubtedly' is correct and usable in written English.
You can use it when you are making a statement that is widely accepted or universally accepted as the truth. For example: The sun rises in the east every day - this is undoubtedly true.

✓ Grammatically correct

News & Media

Science

Formal & Business

Encyclopedias

Wiki

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Djokovic is undoubtedly patriotic.

News & Media

The New Yorker

It is undoubtedly disgusting.

News & Media

Independent

He is undoubtedly correct.

News & Media

The New Yorker

He. is undoubtedly right.

News & Media

The New Yorker

That is undoubtedly correct.

News & Media

The New Yorker

It is undoubtedly unstable.

News & Media

The Economist

The word is undoubtedly sincere.

News & Media

The Economist

And this is undoubtedly true.

News & Media

The New York Times

Political life is undoubtedly boring.

News & Media

Independent

This is undoubtedly the case.

The expansion is undoubtedly mature.

News & Media

Independent
Show more...

Expert writing Tips

Best practice

Avoid overuse in a single piece of writing to maintain credibility and avoid sounding hyperbolic.

Common error

Be cautious not to use "is undoubtedly" for subjective opinions or claims lacking substantial backing, as it can weaken your argument's credibility.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

88%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "is undoubtedly" functions as an adverbial intensifier modifying a verb. Ludwig AI confirms it's used to strengthen the assertion of a statement, indicating a high degree of certainty or agreement, similar to saying something is 'certainly' or 'without a doubt'. Examples in Ludwig show its use in various contexts to emphasize the truth or validity of a claim.

Expression frequency: Very common

Frequent in

News & Media

66%

Science

14%

Formal & Business

6%

Less common in

Encyclopedias

4%

Wiki

3%

Reference

0%

Ludwig's WRAP-UP

The phrase "is undoubtedly" serves to strongly affirm a statement, conveying a high degree of certainty. Ludwig AI's analysis reveals it's grammatically correct and frequently used across various reputable sources like The New York Times and The Economist. While versatile, it's best to reserve this phrase for situations where you want to emphasize a point with conviction, ensuring the statement is well-supported. Overusing it can diminish its impact. Alternatives like ""is certainly"" or "is definitely" can provide a similar meaning with slightly less intensity.

FAQs

How to use "is undoubtedly" in a sentence?

Use "is undoubtedly" to express a strong conviction or agreement with a statement. For example, "This "is certainly" a complex issue" or "The evidence "is clearly" compelling."

What can I say instead of "is undoubtedly"?

You can use alternatives like ""is certainly"", "is definitely", or "is without a doubt depending on the context."

Which is correct, "is undoubtedly" or "is doubtlessly"?

"Is undoubtedly" is more common and generally preferred in modern English. "Is doubtlessly" is grammatically correct but less frequently used.

What's the difference between "is undoubtedly" and "is possibly"?

"Is undoubtedly" conveys a strong sense of certainty, while "is possibly" indicates uncertainty or a low probability. They have opposite meanings.

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Source & Trust

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Authority and reliability

4.6/5

Expert rating

Real-world application tested

Most frequent sentences: