certain of that

USAGE SUMMARY

The phrase "certain of that" is correct and usable in written English.
It can be used when expressing confidence or assurance about a specific fact or situation. Example: "I am certain of that decision, and I believe it will lead us to success."

✓ Grammatically correct

News & Media

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

"I'm certain of that".

The New York Times

Was he certain of that?

The New York Times - Sports

We're more certain of that first step".

The New York Times - Sports

I am profoundly certain of that," he said.

The New Yorker

"You are certain of that?" "Yes," Biro said.

The New Yorker

It will yield eventually to a physical cure, I'm certain of that".

The Guardian - Opinion

"We will continue to monitor the insurers' performance to make certain of that".

The New York Times

"He could play, I'm certain of that," said the PNGRL president, Garry Juffe.

Independent

The army probably attacked Muhajiriya as well, though no one is certain of that either.

The Economist

I would like very much to feel certain of that again -- if only for a couple of hours.

The New York Times

"At the minute, 34% of energy we use comes from nuclear [and] we're only certain of that until 2023," he said.

The Guardian

Expert writing Tips

Best practice

When using "certain of that", make sure the context provides sufficient evidence or reason for your certainty. Overusing it without justification can weaken your credibility.

Common error

Avoid using "certain of that" when you lack sufficient evidence or a solid basis for your belief. Overstating your certainty can undermine your credibility and make your argument less persuasive. Instead, consider softening your statement with phrases like "I believe" or "it seems likely".

Linguistic Context

The phrase "certain of that" functions as an adjectival phrase, modifying a preceding statement to express assurance or conviction. Ludwig AI affirms its grammatical correctness and common usage.

Expression frequency: Very common

Frequent in

News & Media

85%

Formal & Business

5%

Science

5%

Less common in

Academia

1%

Encyclopedias

1%

Wiki

1%

Ludwig's WRAP-UP

In summary, "certain of that" is a versatile phrase used to express a strong belief or conviction about something. As confirmed by Ludwig AI, it is grammatically correct and commonly used across various contexts, especially in news and media. When using the phrase, ensure that your certainty is justified by evidence to maintain credibility. Alternatives such as "sure of that" or "convinced of that" can be used to add variety to your writing. While the phrase is widely accepted, it's important to avoid overstating your certainty without a solid basis.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

absolutely certain

Adds emphasis to the certainty, strengthening the conviction.

I'm fully confident of that

Indicates a complete and unwavering confidence in something.

sure of that

Replaces "certain" with "sure", a synonym indicating a strong belief.

I have no doubt about that

Expresses the absence of uncertainty or hesitation.

convinced of that

Emphasizes the state of being persuaded or fully believing something.

I'm firmly convinced

Highlights the strength and stability of one's belief.

without a doubt

Indicates absolute certainty and leaves no room for questioning.

positive about that

Highlights a confident and optimistic feeling regarding the matter.

that's a given

Implies that something is already known or accepted as true.

it's a sure thing

Conveys that something is guaranteed or highly likely to happen.

FAQs

What does "certain of that" mean?

The phrase "certain of that" indicates a strong belief or conviction about something. It conveys assurance that a statement or situation is true or accurate. You can use alternatives like "sure of that" or "convinced of that" depending on the context.

How can I use "certain of that" in a sentence?

You can use "certain of that" to express confidence in a statement. For example, "I am "absolutely certain" of that decision, and I believe it will lead us to success." It's often used to reinforce a point or provide assurance.

Which is correct: "certain of that" or "certain about that"?

"Certain of that" is the more common and idiomatic expression. While "certain about that" is understandable, it is less frequently used. Sticking with "certain of that" will ensure your writing sounds more natural.

What are some alternatives to "certain of that"?

Alternatives to "certain of that" include "confident of that", "sure of that", or "I have no doubt about that". The best choice depends on the specific nuance you want to convey.