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
CEO of Professional Science Editing for Scientists @ prosciediting.com
a subtle smile
Grammar usage guide and real-world examplesUSAGE SUMMARY
"a subtle smile" is correct and usable in written English.
You can use it to describe a kind of smile which is not broad and does not involve a lot of movement of the facial muscles. For example, "Rebecca gave him a subtle smile before continuing her explanation."
✓ Grammatically correct
News & Media
Wiki
Science
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
10 human-written examples
His eyes are dark, his brown hair is cropped short and his mouth is twisted into a subtle smile.
News & Media
His face creased into a subtle smile and he concluded: "You talk the talk and some of it is for real, and some of it is just puffing.
News & Media
I find myself drawn into the eyes of the "Father of the Constitution", the "Doctor and Saint" or as people affectionately refer to him, Baba Saheb Ambedkar (1891-1956), and I unfailingly detect a subtle smile.
Academia
By the end of the short piece, the conversation seems more like a kinship; at one point, the two pause, resting, on the floor, and share a subtle smile.
News & Media
In some photos my eyes were too narrow; in others what I thought was a subtle smile came out as a full-blown sneer.
News & Media
Make eye contact and give him a subtle smile.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
50 human-written examples
You can have a big toothy smile, or a more subtle smile, and mix it up as you see fit.
Wiki
If I was making this up, I'd go back up the stairs to the wall beside the big window and the face of the man in the friar's habit would have acquired a small, subtle smile.
News & Media
You don't have to grin from ear to ear, either; just a simple, subtle smile will do the trick.
Wiki
They have the gentle curves of a sailboat, or a sly and subtle smile.
News & Media
In the examples, you'll see Facebook employees dropping hats onto their heads, blowing their faces with air, or cracking a slow but subtle smile.
News & Media
Expert writing Tips
Best practice
Use "a subtle smile" when you want to describe a smile that is not broad or obvious, conveying a sense of understatement or hidden emotion.
Common error
Avoid describing every smile as "subtle" in dialogue. Vary your descriptions to make your characters' emotions more dynamic and engaging.
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a subtle smile" functions primarily as a noun phrase, often serving as the object of a verb (e.g., 'gave a smile') or as a descriptive element within a sentence. As confirmed by Ludwig, the phrase is grammatically correct and widely used.
Frequent in
News & Media
32%
Wiki
29%
Science
11%
Less common in
Academia
3%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "a subtle smile" is a common and grammatically sound expression used to describe a restrained or understated smile. As Ludwig AI confirms, it's suitable for describing a smile that is not broad or obvious, often implying hidden emotions or reservation. Its prevalence in diverse contexts, including News & Media and Wiki, highlights its versatility. When writing, remember that while "a subtle smile" is a useful descriptor, varying your descriptions with alternatives like "a slight smile" or "a gentle smile" can enhance the richness of your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
a slight smile
This alternative suggests an even less pronounced smile.
a gentle smile
This alternative focuses on the kindness or tenderness conveyed by the smile.
a faint smile
This alternative emphasizes the barely perceptible nature of the smile.
a knowing smile
This alternative implies the smile conveys hidden knowledge or understanding.
a wry smile
This alternative suggests a smile tinged with irony or amusement at a difficult situation.
a reserved smile
This alternative highlights the controlled and understated nature of the smile.
a hint of a smile
This alternative emphasizes the fleeting and almost imperceptible quality of the smile.
a trace of a smile
This alternative conveys that the smile is barely visible, almost nonexistent.
a contained smile
This alternative describes a smile that is kept under control and not openly expressed.
a suppressed smile
This alternative suggests that the smile is being consciously held back or hidden.
FAQs
How can I use "a subtle smile" in a sentence?
You can use "a subtle smile" to describe someone's expression, for example: "She gave him "a subtle smile" before turning away".
What can I say instead of "a subtle smile"?
You can use alternatives like "a slight smile", "a gentle smile", or "a faint smile" depending on the specific nuance you want to convey.
What does it mean when someone gives "a subtle smile"?
Generally, "a subtle smile" indicates a restrained or understated expression of happiness, amusement, or agreement. It can also suggest that someone is hiding their true feelings or being secretive.
Is there a difference between "a subtle smile" and "a knowing smile"?
Yes, while both describe smiles that are not overly expressive, ""a subtle smile"" simply indicates a restrained expression, whereas "a knowing smile" implies that the person is aware of some information that others may not be.
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.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested