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Certainly

Grammar usage guide and real-world examples

USAGE SUMMARY

'Certainly' is a correct and usable word in written English.
You can use it to express agreement, consent or acknowledgment. For example: "Do you understand the instructions?" "Certainly."

✓ Grammatically correct

News & Media

Formal & Business

Lifestyle

Sport

Books

Travel

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

They certainly do.

News & Media

The Guardian

Scotland's 56 SNP MPs will certainly seek to amend the legislation to ensure that young people are able to take part in the vote".

News & Media

The Guardian

It certainly is.

News & Media

The Economist

"Certainly not".

News & Media

The New York Times

It certainly looks that way.

That's certainly true.

News & Media

The New York Times

I certainly don't.

News & Media

The New York Times

It's certainly not true that it found "only a quarter [of LGBT people] would wed", as the Mail said in its headline – and Catholic Voices said in their press release.

News & Media

The Guardian

"It didn't get the strongest winds in the eye wall but it certainly got a period of nearly three hours of sustained gale force winds and wind gusts in the 95 to 100km/h range".

News & Media

The Guardian

Most certainly".

News & Media

The New York Times

This has certainly been the case for members of Norwich Business Women's Network (NBWN), founded 23 years ago and still going strong, with 80 members.

News & Media

The Guardian
Show more...

Expert writing Tips

Best practice

Vary your affirmative responses. While "Certainly" is versatile, consider using alternatives like "absolutely" or "of course" to avoid repetition and add nuance.

Common error

While "Certainly" is grammatically correct, using it excessively in casual conversations can sound overly formal or even sarcastic. Opt for more relaxed alternatives like "sure" or "yeah" in informal contexts.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

94%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Linguistic Context

The primary grammatical function of "Certainly" is that of an adverb. It modifies verbs, adjectives, or other adverbs to express a sense of assurance or affirmation. Ludwig AI confirms this through its analysis of various example sentences.

Expression frequency: Very common

Frequent in

News & Media

40%

Formal & Business

20%

Sport

10%

Less common in

Lifestyle

10%

Books

10%

Travel

10%

Ludwig's WRAP-UP

"Certainly" is a versatile adverb used to express agreement, affirmation, or emphasis. Ludwig AI confirms its grammatical correctness and provides numerous examples across various contexts. While its usage is widespread, remember to consider formality and choose appropriate alternatives to avoid repetition. From formal business settings to casual conversations, "Certainly" remains a valuable tool for clear and confident communication. Its high frequency in News & Media further attests to its relevance in conveying assuredness.

FAQs

How can I use "Certainly" in a sentence?

"Certainly" can be used as an adverb to express agreement or emphasize a statement, as in "I will "certainly help" you with that" or as a response, like "Can you finish this by tomorrow?" "Certainly."

What are some alternatives to "Certainly"?

Depending on the context, you can use alternatives such as "absolutely", "of course", "indeed", or "definitely" to express agreement or affirmation.

Is it correct to use "Certainly not"?

Yes, "Certainly not" is a perfectly acceptable and emphatic way to express disagreement or refusal. It conveys a strong negative response.

What's the difference between "Certainly" and "Surely"?

While both words express confidence, "Certainly" is more often used to express agreement or give permission, whereas "Surely" is more commonly used to express a belief or expectation about something. For example: "Certainly, you can use my car" vs "Surely, he will call".

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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: