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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
CEO of Professional Science Editing for Scientists @ prosciediting.com
as sharp as a razor
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "as sharp as a razor" is correct and usable in written English. You can use it to describe someone who is very intelligent or perceptive. Example: "Her mind is as sharp as a razor, quickly solving complex problems." Alternative expressions include "as sharp as a tack" and "as keen as a knife."
✓ Grammatically correct
News & Media
Wiki
Books
Music
Alternative expressions(20)
as sharp as a tack
as keen as mustard
as bright as a button
as enjoyable as ever
as urgent as a
as sharp as a knife
as restless as a
razor sharp
keen witted
as intense as ever
as quick as a flash
exceptionally astute
equally as smart as
incredibly astute
as durable as a
as grave as a
as tough as a
as robust as a
as strict as a
as keen as a
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
9 human-written examples
And Richard Wilson's production and Mark Thompson's design are both as sharp as a razor.
News & Media
I belong in a club dressed as sharp as a razor.
News & Media
It's time to get real: good is as sharp as a razor, as hard as a hammer blow.
News & Media
Frank was wonderful company and a terrific, impish conversationalist – utterly unpompous but as sharp as a razor.
News & Media
"The listeners in my Cuban fantasy are not passive... Their literary taste is as sharp as a razor, they react to every badly used word, to every false note".
News & Media
For all the attempts to blur distinctions and appeal to the center, from "compassionate conservatism" to "the third way," this conflict has proved as sharp as a razor's edge in an evenly divided government.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
51 human-written examples
80 mins GOAL! Chasing a heavy pass, Bridges, who's brain is clearly still as sharp as a pickled razor, gives Raty an (ahem) helpful nudge off the ball and cuts it back for Alan Smith to sidefoot into an empty net from six yards.
News & Media
Ideally, when you're finished, the blade should be roughly as sharp as a butter knife.[8] Lawnmower blades don't have to be razor-sharp — they spin fast enough to cut the grass without this level of sharpness.
Wiki
Everything was as sharp as a knife.
News & Media
He is as sharp as a tack.
News & Media
Figaro is quick and as sharp as his razor, while Bartolo is a greedy curmudgeon.
News & Media
Expert writing Tips
Best practice
Use "as sharp as a razor" to effectively convey a high degree of intelligence, wit, or precision in a vivid and memorable way.
Common error
While effective, avoid overuse in strictly formal writing. Opt for more direct language like "incisive" or "astute" to maintain a professional tone.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "as sharp as a razor" functions primarily as a simile, using figurative language to describe something with a high degree of keenness, intelligence, or precision. Ludwig examples show its usage in describing wit, intellect, and even physical objects.
Frequent in
News & Media
43%
Wiki
14%
Books
14%
Less common in
Music
14%
Travel
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "as sharp as a razor" is a simile used to vividly describe something that is keen, intelligent, or precise. Ludwig AI confirms its grammatical correctness and usability, noting its presence across various contexts but particularly within News & Media. While effective, consider the register of your writing; for strictly formal pieces, more direct language might be preferable. Alternative expressions such as "as sharp as a tack" offer similar meanings. Overall, "as sharp as a razor" provides a compelling way to emphasize a high degree of sharpness or intellect.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
as sharp as a tack
Common idiom with a similar meaning, but uses a different object for comparison.
as incisive as a scalpel
Uses a more technical metaphor to convey precision and sharpness.
as acute as can be
Emphasizes the intensity of sharpness or cleverness.
as astute as a detective
Highlights the ability to analyze and solve complex problems.
as keen as mustard
Replaces the razor metaphor with a different simile to denote sharpness.
as perceptive as an eagle
Emphasizes the ability to notice and understand things clearly.
as quick as a whip
Shifts the focus from sharpness to speed and responsiveness.
as clever as they come
Focuses specifically on intelligence and ingenuity.
as on the ball as ever
Emphasizes alertness and competence.
as bright as a button
Offers a more lighthearted simile for intelligence.
FAQs
How can I use "as sharp as a razor" in a sentence?
You can use "as sharp as a razor" to describe someone's wit, intelligence, or even the cutting edge of a physical object. For example, "Her wit is "as sharp as a razor", always quick and precise."
What's a similar phrase to "as sharp as a razor"?
Similar phrases include "as sharp as a tack", "as keen as mustard", and "as incisive as a scalpel", each conveying a sense of keenness or intelligence.
In what contexts is "as sharp as a razor" most appropriate?
"As sharp as a razor" works well in creative writing, conversational settings, or when you want to add vivid imagery. It might be less suitable for formal, technical reports where direct language is preferred.
Is it grammatically correct to say "as sharp as a razor"?
Yes, "as sharp as a razor" is grammatically correct. It follows the standard structure of a simile, using "as...as" to compare the sharpness to that of a razor.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested