be certain about something

USAGE SUMMARY

The phrase "be certain about something" is correct and usable in written English.
You can use it when expressing assurance or confidence regarding a particular matter or situation. Example: "Before making a decision, it is important to be certain about something that could impact your future."

✓ Grammatically correct

News & Media

Wiki

Human-verified examples from authoritative sources

Exact Expressions

2 human-written examples

"What's so essential about this movie is our desire to be certain about something and say, This is what I believe is right, wrong, black, white.

The New York Times - Magazine

Given the excellent response to my two recent posts suggesting that agnosticism in religion was not an intellectually defensible position, but that an examination of what being agnostic means (in various contexts) is revealing as to what it means to believe something, or to know something, or be certain about something, a part three beckoned.

Huffington Post

Human-verified similar examples from authoritative sources

Similar Expressions

58 human-written examples

He would say that arrogant people were people who thought they were certain about something.

The Guardian

"Sometimes, when he's certain about something, he's quite forceful," says West. "He likes people to work hard, to be honest and to do the right things at the right time... the basics of being a good bloke, really.

The Guardian - Sport

Be certain about robustness.

WikiHow

Be certain about your health status.

WikiHow

"I'm certain about that.

The New York Times

You might have wondered how they could be so certain about something that most scientists seemed to think you couldn't know.

Huffington Post

Ask about their favorite objects, and you are certain to find something that they will enjoy.

Huffington Post

What is the relentlessness of uncertainty but something about which you can always be certain?

The New York Times

It is certain you will find something in the book to argue about.

The Guardian - Books

Expert writing Tips

Best practice

Use "be certain about something" when you want to convey a sense of strong conviction based on solid reasoning or evidence. It's more emphatic than simply saying "think" or "believe."

Common error

Avoid using "be certain about something" when you only have a hunch or a gut feeling. Overstating your certainty can undermine your credibility if proven wrong.

Linguistic Context

The phrase "be certain about something" functions as a declarative expression, indicating a state of conviction or assurance regarding a particular subject. Ludwig confirms its grammatical correctness and usability.

Expression frequency: Uncommon

Frequent in

News & Media

60%

Wiki

30%

Formal & Business

10%

Less common in

Science

0%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

The phrase "be certain about something" is a grammatically sound and usable expression to convey a strong sense of conviction or assurance. As confirmed by Ludwig AI, it's most commonly found in news and media sources and holds a neutral register, making it suitable for various communication contexts. While synonyms like "be sure about something" and "be confident about something" offer similar meanings, it's important to ensure the level of certainty matches the evidence at hand to maintain credibility. The phrase is more emphatic than simply stating a belief.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

be sure about something

Replaces "certain" with "sure", indicating a slightly less formal degree of confidence.

be confident about something

Emphasizes a feeling of assurance rather than a state of certainty.

be convinced about something

Suggests a strong belief based on evidence or reasoning.

be positive about something

Implies optimism and a favorable outlook in addition to certainty.

have no doubt about something

Expresses a complete lack of uncertainty or skepticism.

be definite about something

Highlights the clarity and lack of ambiguity in one's certainty.

be clear about something

Focuses on understanding and comprehension rather than just certainty.

know something for sure

Shifts the focus to knowledge rather than a feeling of certainty.

ascertain something

Implies taking steps to discover something with certainty.

determine something with certainty

Emphasizes the process of establishing something as undeniably true.

FAQs

How can I use "be certain about something" in a sentence?

You can use "be certain about something" to express assurance or confidence regarding a particular matter. For example: "Before making a decision, it is important to be certain about something that could impact your future."

What's a more formal alternative to "be certain about something"?

A more formal alternative could be "ascertain something". This implies a more rigorous process of establishing certainty.

What can I say instead of "be certain about something" to express a strong belief?

You can use phrases like "be convinced about something" or "have no doubt about something" to convey a strong belief.

Is "be certain of something" the same as "be certain about something"?

Yes, "be certain of something" is semantically similar to "be certain about something" and can often be used interchangeably.