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
long sigh
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "long sigh" is correct and usable in written English. You can use it to express a feeling of relief, frustration, or weariness. Example: After a long day at work, she let out a long sigh of relief. Alternative expressions include "deep sigh" and "prolonged sigh."
✓ Grammatically correct
News & Media
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
56 human-written examples
A long sigh.
News & Media
All one long sigh.
News & Media
Long sigh from Graham.
News & Media
Org lets out a long sigh.
News & Media
She heaved a long sigh.
News & Media
[Long sigh] What's the question?
News & Media
Nour lets out a long sigh.
News & Media
The salesman let out a long sigh.
News & Media
Mr. Ekstract gave a long sigh.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
2 human-written examples
Only long sigh-like bursts now occur, without regular bursts.
I loved the family and everything…it just…[long sigh], I just wasn't able to function like that for long at that time or be that person.
News & Media
Expert writing Tips
Best practice
In creative writing, combine the phrase with sensory details—such as closing eyes or slouching shoulders—to strengthen the imagery.
Common error
Avoid using the phrase with redundant verbs like "sighed a long sigh" unless you are aiming for a specific poetic effect. Instead, use more active constructions such as "let out a long sigh", "gave a long sigh", or "heaved a long sigh".
Source & Trust
96%
Authority and reliability
4.9/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "long sigh" functions as a noun phrase composed of the adjective "long" and the noun "sigh". It typically serves as the direct object of a transitive verb. According to Ludwig AI, it frequently appears with verbs of expression such as "let out", "heave", or "draw".
Frequent in
News & Media
85%
Literature & Arts
10%
Science
5%
Less common in
Academic Research
3%
Legal Documents
1%
Technical Manuals
1%
Ludwig's WRAP-UP
In conclusion, "long sigh" is a versatile and grammatically correct noun phrase used to denote an extended exhalation that signifies a specific emotional state. Analysis from Ludwig AI shows that it is exceptionally common in News & Media and literary contexts, where it helps provide narrative texture. Whether you are describing a character's relief or a professional's exasperation, the phrase is a reliable tool. While it is almost always used correctly as an object, writers should be mindful of verb variety—using "let out" or "heaved"—to avoid repetitive sentence structures. Its universal recognition makes it a safe and effective choice for any writer looking to add emotional depth to their prose.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
drawn out sigh
Focuses specifically on the slow, elongated release of breath.
deep sigh
Emphasizes the physical depth or intensity of the breath rather than just the duration.
prolonged sigh
A formal synonym emphasizing that the sigh was extended beyond normal duration.
heavy sigh
Suggests a greater emotional burden or weight behind the action.
protracted sigh
A more formal or clinical term for a sigh that lasts for a long time.
weary sigh
Highlights the exhaustion or fatigue of the person sighing.
soft sigh
Indicates the volume is low, often suggesting a quiet moment of reflection.
resigned sigh
Implies the sigh represents an acceptance of a difficult or unwanted situation.
exasperated sigh
Directly attributes the emotion of frustration or annoyance to the action.
audible sigh
Focuses on the fact that the sound was clear and noticeable to others.
FAQs
How do you use "long sigh" in a sentence?
You can use it as a noun phrase to describe a reaction, for example: "She let out a long sigh of relief when the news arrived."
What is the difference between a "long sigh" and a deep sigh?
While a "long sigh" focuses on the time it takes to exhale, a "deep sigh" focuses on the volume of air and the intensity of the breath.
Can "long sigh" be used in formal writing?
Yes, it is perfectly acceptable in journalistic and narrative writing. In highly academic or scientific contexts, you might see "prolonged exhalation" used instead.
What can I say instead of "long sigh" to show frustration?
To emphasize frustration, you could use "exasperated sigh" or "heavy sigh".
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
96%
Authority and reliability
4.9/5
Expert rating
Real-world application tested