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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
quick as a flash
Grammar usage guide and real-world examplesUSAGE SUMMARY
"quick as a flash" is correct and usable in written English.
It is a phrase that is used to describe something that happened very quickly or without warning. For example, "He vanished quick as a flash and I didn't even see him go."
✓ Grammatically correct
News & Media
Lifestyle
Sport
Alternative expressions(20)
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
57 human-written examples
Quick as a flash he said, 'No.
News & Media
"Oh," he replies, quick as a flash.
News & Media
"I hope not," says Winterbottom, as quick as a flash.
News & Media
"Whose sister?" she answers, quick as a flash.
News & Media
Quick as a flash, Carswell rushed to correct him.
News & Media
Quick as a flash, let the nominees roll forth.
News & Media
He said: 'You jammy bastard' and quick as a flash I replied 'don't be blue, Peter'.
News & Media
Quick as a flash, I replied: "That's enough cheek from you, I'm the boss here".
News & Media
Quick as a flash he came back saying, "Well, they are only after me".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
2 human-written examples
Any of Picasso's quick-as-a-flash sculptures, particularly Glass of Absinthe.
News & Media
My old parachuting guerrilla agent father, with his once quick-as-a-flash brain … cries when he has to go home".
News & Media
Expert writing Tips
Best practice
Use "quick as a flash" to add vividness and emphasis when describing actions or events that occur suddenly and rapidly. It's most effective in informal and narrative contexts.
Common error
Avoid using "quick as a flash" in formal writing or professional reports where a more neutral or precise term like "immediately" or "instantaneously" would be more appropriate.
Source & Trust
93%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "quick as a flash" functions as an adverbial phrase, modifying verbs to describe the manner in which an action is performed. It indicates that something happens with great speed and suddenness. As Ludwig AI confirms, this phrase is correct and readily usable in written English.
Frequent in
News & Media
51%
Lifestyle
14%
Sport
9%
Less common in
Books
6%
TV & Radio
6%
Business
4%
Ludwig's WRAP-UP
In summary, "quick as a flash" is a common and effective simile used to describe actions that happen with great speed and suddenness. Ludwig AI confirms its grammatical correctness and usability. While predominantly found in news and media, it also appears frequently in lifestyle and sports contexts. Though its register is generally informal, its vividness makes it a valuable tool for descriptive writing. When aiming for a more formal tone, consider alternatives such as "immediately" or "instantaneously". The phrase adds a sense of urgency and surprise, making it a dynamic choice for narrative descriptions.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
in a flash
A shortened version of the original phrase, retaining the core meaning of suddenness.
in an instant
Similar to "in a flash", highlighting the brief amount of time.
in the blink of an eye
This phrase emphasizes the speed by comparing it to the almost imperceptible action of blinking.
in a heartbeat
This suggests something happens very quickly, as fast as a heartbeat.
immediately
A direct synonym that emphasizes the lack of delay.
at once
This suggests that something happens without any delay.
right away
Indicates immediate action or occurrence.
promptly
This suggests something is done without hesitation or delay.
instantaneously
This is a more formal way of saying something happens immediately without any delay.
speedily
This emphasizes the fast pace at which something happens.
FAQs
How can I use "quick as a flash" in a sentence?
You can use "quick as a flash" to describe actions that happen very rapidly or suddenly. For instance, "The cat darted under the sofa, "quick as a flash", when it heard the doorbell."
What phrases are similar to "quick as a flash"?
Alternatives to "quick as a flash" include "in the blink of an eye", "in a heartbeat", or "instantaneously". The best choice depends on the specific context and desired level of formality.
Is it appropriate to use "quick as a flash" in formal writing?
While "quick as a flash" is widely understood, it is generally better suited for informal or narrative contexts. In formal writing, consider using more neutral terms like "immediately" or "without delay".
What makes "quick as a flash" an effective figure of speech?
The phrase "quick as a flash" is effective because it uses a simile to create a vivid image of speed and suddenness, making it more engaging for the reader. The comparison to a "flash" emphasizes how quickly something occurs.
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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
93%
Authority and reliability
4.6/5
Expert rating
Real-world application tested