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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
flash a grin
Grammar usage guide and real-world examplesUSAGE SUMMARY
'flash a grin' is correct and usable in written English.
You could use it to describe a facial expression that someone makes quickly or fleetingly, i.e., they smile for a moment before their expression changes. For example, "She flashed a grin before walking away."
✓ Grammatically correct
News & Media
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
2 human-written examples
Today, he says, it is a rare feat for a photographer to catch one who is not smiling... Eisenhower doesn't invariably flash a grin when he sees a press photographer, but he usually does.
News & Media
As the story is told, "When McCain shuffled back from torturous interrogations, he would turn toward Moe's door and flash a grin and thumbs up" - as if to say, "We're going to pull through this".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
Mr. Bokaer flashed a grin.
News & Media
He flashed a grin.
News & Media
The proud grandfather flashed a grin.
News & Media
"Let's see what happens," he says, flashing a grin.
News & Media
"I love you back," he said, flashing a grin.
News & Media
"No," Adu said, flashing a grin and shrugging his shoulders.
News & Media
Come on!" one man yelled in English, flashing a grin.
News & Media
The president put an arm around each and flashed a grin at the lens.
News & Media
"How about if I just get naked?" he said, flashing a grin.
News & Media
Expert writing Tips
Best practice
Use "flash a grin" to depict a spontaneous, often brief, and sometimes mischievous smile. It adds a touch of informality and immediacy to the description.
Common error
Avoid using "flash a grin" too frequently in your writing. Overuse can make the characters seem insincere or overly theatrical. Vary your descriptions of smiles to maintain reader engagement.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "flash a grin" functions as a descriptive expression, typically used to illustrate a character's reaction or emotion in a narrative. It paints a vivid picture of a fleeting smile, often conveying spontaneity or a hidden meaning. Ludwig confirms its usability in written English.
Frequent in
News & Media
60%
Wiki
20%
Science
10%
Less common in
Formal & Business
5%
Encyclopedias
3%
Reference
2%
Ludwig's WRAP-UP
In summary, "flash a grin" is a phrase used to describe a quick or fleeting smile, often implying spontaneity or a touch of mischief. While grammatically correct, Ludwig suggests that it is a relatively rare expression. It's most commonly found in news and media contexts, where it serves to add color to descriptions of people and their reactions. When using this phrase, consider its informal register and avoid overuse to maintain impact. Remember to consider alternatives like "give a quick smile" or "offer a brief smile" for variety. The phrase's function, as confirmed by Ludwig, is to paint a picture of a momentary expression and infer about the state of mind.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
give a quick smile
Focuses on the brevity of the smile, similar to flashing.
offer a brief smile
Emphasizes the fleeting nature of the smiling expression.
crack a smile
Implies a slight or suppressed smile.
grin momentarily
Uses an adverb to specify the short duration of the grin.
display a fleeting grin
Highlights the temporary nature of the grin.
sport a quick grin
Suggests wearing a grin briefly.
show a hint of a smile
Indicates a subtle or partial smile.
manage a smile
Suggests effort or difficulty in smiling.
break into a grin
Emphasizes the sudden appearance of the grin.
smile quickly
Simple and direct way to convey a brief smile.
FAQs
How can I use "flash a grin" in a sentence?
You can use "flash a grin" to describe someone smiling briefly or quickly. For example, "He "flashed a grin" as he accepted the award."
What does it mean to "flash a grin"?
To "flash a grin" means to smile quickly and briefly, often implying a sense of spontaneity or mischief.
What are some alternatives to "flash a grin"?
Some alternatives include "give a quick smile", "offer a brief smile", or "crack a smile".
Is "flash a grin" formal or informal?
"Flash a grin" is generally considered informal and is best suited for casual or narrative contexts.
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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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested