as sharp as a

USAGE SUMMARY

The phrase "as sharp as a" is correct and usable in written English.
It is typically used to describe someone who is very intelligent or quick-witted. Example: "She solved the complex problem in minutes; she's as sharp as a tack."

✓ Grammatically correct

News & Media

Books

Sports

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Everything was as sharp as a knife.

The New York Times - Magazine

He is as sharp as a tack.

The New Yorker

"She was as sharp as a tack.

The New York Times

"Mr. Slinger was as sharp as a tack.

The New York Times - Books

The material was about as sharp as a bowling ball.

The New York Times

An example: "This one is as sharp as a basketball".

The New York Times

The reef is as sharp as a cheese grater.

The New York Times - Magazine

Pao Ding's vision was as sharp as a knife; my father's was as sharp as a knife and as accurate as a scale.

The New Yorker

By all accounts his legal brain remained as sharp as a pin.

The Economist

Yes, she's about as sharp as a wet balloon, but we already know that.

The New York Times

We say, "She's as sharp as a tack," or "You're not too smart, are you?

The New Yorker

Expert writing Tips

Best practice

Use the phrase "as sharp as a" to add vividness and emphasis when describing someone's intelligence, wit, or the intensity of a sensation. Choose the object of comparison (knife, tack, razor, etc.) carefully to best suit the context.

Common error

While "as sharp as a" is a common simile, avoid using it repeatedly in the same piece of writing. Vary your descriptions with alternative phrases or more original comparisons to maintain reader engagement.

Linguistic Context

The phrase "as sharp as a" functions as a simile, a figure of speech that directly compares two things using "as". It's used to describe something's quality (often intelligence, wit, or intensity) by likening it to the sharpness of a particular object. Ludwig AI confirms its common usage in various contexts.

Expression frequency: Very common

Frequent in

News & Media

64%

Books

14%

Sports

5%

Less common in

Formal & Business

3%

Wiki

3%

Science

3%

Ludwig's WRAP-UP

In summary, "as sharp as a" is a simile widely used to describe intelligence, wit, or intensity by comparing them to the sharpness of an object. Ludwig AI indicates the phrase is grammatically correct and very common, particularly in news and media. While versatile, choose the object of comparison carefully and avoid overuse. Consider alternatives like "incredibly astute" or "razor-sharp wit" for variety.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

highly intelligent

Directly states a high level of mental capacity, avoiding figurative language.

incredibly astute

Emphasizes intelligence and insight, omitting the simile structure.

exceptionally clever

Focuses on quick-wittedness and ingenuity.

bright as a button

Uses a different simile to indicate intelligence and alertness.

remarkably perceptive

Highlights the ability to notice and understand things clearly.

possessing keen insight

Emphasizes deep understanding and the ability to see beyond the surface.

quick on the uptake

Emphasizes the speed of understanding and learning.

razor-sharp wit

Specifically refers to a keen and cutting sense of humor.

demonstrating incisiveness

Highlights the ability to cut straight to the point and analyze effectively.

acutely aware

Indicates a strong consciousness or sensitivity to something.

FAQs

How can I use "as sharp as a" in a sentence?

You can use "as sharp as a" to describe someone's intelligence or the intensity of a sensation. For example, "Her mind is "as sharp as a tack"" or "The pain was "as sharp as a knife"".

What are some alternatives to "as sharp as a"?

Depending on the context, you could use alternatives such as "incredibly astute", "remarkably perceptive", or "razor-sharp wit".

Is it correct to say "as sharp as an"?

No, the correct phrase is "as sharp as a". The article "a" is used because the following noun typically begins with a consonant sound (e.g., "as sharp as a knife").

Which objects are commonly used with "as sharp as a" to describe intelligence?

Common objects used to describe intelligence with "as sharp as a" include "tack", "knife", "razor", and "pin". Each suggests a different nuance of mental acuity. For example ""as sharp as a tack"" suggests practical intelligence and alertness.