Used and loved by millions

Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

not as sure

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "not as sure" is correct and usable in written English.
It can be used when expressing a lesser degree of certainty compared to another statement or situation. Example: "I am not as sure about the outcome of this project as I was with the last one."

✓ Grammatically correct

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

50 human-written examples

I'm not as sure.

News & Media

Independent

Her competitors are not as sure.

Others are not as sure.

But others were not as sure.

Mr. Harris is not as sure.

Clemens's teammates were not as sure.

Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

10 human-written examples

Nunez, a backup infielder who hits better than Nix but is not as sure-handed in the field, was added to the A.L.C.S. roster in Jeter's place.

News & Media

The New York Times

The LE Eco felt planted and stable in long, fast, corrugated corners — spots where the S felt firmer, but not as sure-footed.

News & Media

The New York Times

One reason for all the repetition: Mr. Spader's new co-star, Megan Boone, who plays Reddington's foil in the series, a young F.B.I. agent named Liz Keen, is not as sure-footed in the scene.

However, science fiction critic Robert K. J. Killheffer, in The Magazine of Fantasy & Science Fiction, wrote "it's not his best – it lacks the dense and evocative background of his Takeshi Kovacs books, and Morgan is not as sure-handed with near-future situations and characters – but it takes chances and largely succeeds".

I wasn't as sure as other people were".

Show more...

Expert writing Tips

Best practice

Use "not as sure" to express a nuanced level of uncertainty, especially when comparing your current level of confidence to a previous one or to someone else's. For example, "I was initially optimistic, but now I'm "not as sure".

Common error

While "not as sure" is acceptable, overuse can make your writing sound less decisive. In formal contexts, consider stronger alternatives like "uncertain", "doubtful", or "skeptical" for impactful communication.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

89%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "not as sure" primarily functions as an adjectival phrase modifying a subject, indicating a reduced level of certainty or confidence. As shown by Ludwig, it commonly expresses a comparative lack of assurance.

Expression frequency: Very common

Frequent in

News & Media

63%

Academia

13%

Science

9%

Less common in

Wiki

3%

Formal & Business

0%

Social Media

0%

Ludwig's WRAP-UP

In summary, the phrase "not as sure" is a versatile expression used to convey a reduced degree of certainty or confidence, primarily in contrast to a previous belief or expectation. Ludwig AI confirms its grammatical correctness and common usage, particularly in news and media. While generally neutral in register, more formal alternatives like "less certain" or "doubtful" may be preferred in academic or professional contexts. The phrase's effectiveness lies in its ability to express a nuanced level of uncertainty, making it a valuable tool for precise communication.

FAQs

How can I use "not as sure" in a sentence?

You can use "not as sure" to express a lesser degree of certainty about something. For example, "I thought I knew the answer, but now I'm "not as sure"."

What's the difference between "not as sure" and "uncertain"?

"Not as sure" implies a comparison to a previous state of certainty, while "uncertain" is a more general expression of doubt. For example, you might say, "I was confident yesterday, but I'm "not as sure" today." In contrast, "I am uncertain about the future" expresses general uncertainty.

Are there synonyms for "not as sure" that sound more formal?

Yes, in formal contexts, consider alternatives like "less certain", "doubtful", or "skeptical". These alternatives convey a stronger sense of uncertainty.

Is it correct to say "I am not so sure" instead of "I am not as sure"?

Yes, "I am not so sure" is a valid alternative, although "I am "not as sure"" often implies a comparison. "I am not so sure" is slightly more informal.

ChatGPT power + Grammarly precisionChatGPT power + Grammarly precision
ChatGPT + Grammarly

Editing plus AI, all in one place.

Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.

Source & Trust

89%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: