for certain

USAGE SUMMARY

The phrase "for certain" is correct and usable in written English.
It is used to express that something is known or accepted with certainty. For example, "I can tell you for certain that she will arrive early."

✓ Grammatically correct

News & Media

Wiki

Science

Human-verified examples from authoritative sources

Exact Expressions

58 human-written examples

Nobody knows for certain.

The Economist

For certain, nothing.

The New York Times

That's for certain.

The New York Times

Poverty and misery for certain.

The Economist

One thing is for certain.

Independent

No one knows for certain.

The New York Times

For certain courses, maybe nothing.

The New York Times

For certain, things will change.

Independent

He was odd, for certain.

The New Yorker

According to the calendar, for certain.

The New York Times - Sports

They know little else for certain.

Independent

Expert writing Tips

Best practice

Use "for certain" to add emphasis when you want to express a strong conviction or assurance about something.

Common error

While "for certain" is a valid phrase, avoid using it too frequently in your writing, as it can make your text sound repetitive. Vary your language by using synonyms like "certainly", "definitely", or "without a doubt".

Linguistic Context

The phrase "for certain" functions primarily as an adverbial modifier, adding emphasis and conveying a strong sense of assurance or definiteness. It modifies the verb or statement it accompanies. Ludwig provides numerous examples of this usage.

Expression frequency: Very common

Frequent in

News & Media

48%

Wiki

23%

Science

11%

Less common in

Formal & Business

9%

Academia

0%

Encyclopedias

0%

Ludwig's WRAP-UP

The phrase "for certain" is a grammatically sound and versatile adverbial phrase used to express a strong sense of assurance. Ludwig's analysis, supported by numerous examples from diverse sources, indicates that it functions to emphasize conviction and eliminate doubt. While appropriate in most contexts, including news, media, and general writing, consider using more formal alternatives in academic or strictly professional settings. The AI analysis confirms that the phrase is correct and usable in written English. Remember to vary your language and avoid overuse for stylistic reasons.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

certainly

Expresses certainty directly, without additional words.

definitely

Similar to "certainly", but can also imply a lack of doubt.

for sure

A more informal way of expressing certainty.

surely

Suggests a strong expectation or confidence.

without a doubt

Emphasizes the absence of any uncertainty.

positively

Similar to "definitely", indicating a strong affirmation.

absolutely

Expresses complete agreement or certainty.

assuredly

A more formal synonym for "certainly".

undoubtedly

Implies that something is unquestionably true.

indeed

Confirms or emphasizes a previous statement.

FAQs

How to use "for certain" in a sentence?

You can use "for certain" to emphasize the certainty of a statement. For example, "I know "for certain" that the meeting is scheduled for tomorrow."

What can I say instead of "for certain"?

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

Is it more formal to say "certainly" or "for certain"?

"Certainly" is generally considered more formal than "for certain", which can be seen as slightly more conversational.

When should I use "for sure" instead of "for certain"?

"For sure" is more informal and suitable for casual conversations. "For certain" can be used in both casual and more formal contexts, though alternatives like "certainly" might be preferred in very formal writing.