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
unflagging spirit
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "unflagging spirit" is correct and usable in written English.
It can be used to describe someone who shows unwavering determination or enthusiasm, often in the face of challenges. Example: "Her unflagging spirit during the difficult times inspired everyone around her."
✓ Grammatically correct
News & Media
Alternative expressions(20)
indomitable spirit
unwavering spirit
undiminished spirit
unwavering resolve
unyielding resolve
determined mindset
unflinching courage
invincible spirit
unbreakable spirit
unfailing spirit
resolute character
unwavering purpose
indomitable will
steadfast dedication
unyielding spirit
persistent fortitude
unwavering attitude
all the stamina
a lot of endurance
all the vitality
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
3 human-written examples
Never complained; an unflagging spirit, lover of life.
News & Media
Much of the credit goes to Lainie Munro's new choreography (for three numbers); a nimble, enthusiastic ensemble; and a Charity (here called Caridad, played by Edlyn González) with endearing and unflagging spirit (2 30).
News & Media
The liberating audacity of the old material is the product of Greaves's hard-won artistic vision; the flatness of the new material, despite his unflagging spirit of adventure, reflects an era of diminished hopes and narrowed dreams.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
54 human-written examples
Emmy voters liked "Unbreakable Kimmy Schmidt" enough to give it seven nominations but apparently not enough to reward the actress who brings such spirit, energy and unflagging (though not annoying) optimism to the title character.
News & Media
Whether he was offering advice to Colonel Ba, in a self-consciously humble, soft-spoken manner, or moving from task to task with his characteristic rapid, almost bounding gait, he displayed unflagging energy and almost unclouded high spirits, not unlike an eager camp councillor managing a large and difficult but highly successful jamboree.
News & Media
Phillip's unflagging optimism, his appreciation for life and his great sense of humor were noteworthy.
News & Media
Richard had a talent for living, an unflagging and exceptional creative drive, and a generosity of spirit and mind that was highly motivating to his family, friends and associates.
News & Media
At work we were unflagging; at home the smallest gesture of liveliness was beyond us".
News & Media
Endowed with a sweet, smiling, sanguine nature and unflagging courage in the face of severe disability, Nathan touched the spirits of all around him and will be sorely missed.
News & Media
Through Mr. Hussain's growing up years, the memory of his grandfather's pain became the consciousness of a sundered heritage just as his grandfather's unflagging hope of a reunion with his brother signified the resolve of the human spirit.
News & Media
Morrie Golick has given us a lasting legacy - generosity of spirit, a loving heart that went out to all who struggle with this disease every day, and the unflagging determination to pursue a cure for lupus.
News & Media
Expert writing Tips
Best practice
When describing someone facing a prolonged challenge, use "unflagging spirit" to emphasize their consistent and unwavering positive attitude.
Common error
Avoid using "unflagging spirit" in trivial situations. This phrase is most impactful when describing resilience in the face of significant adversity, not everyday tasks.
Source & Trust
94%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "unflagging spirit" functions as an adjective-noun combination, where "unflagging" modifies "spirit". The adjective "unflagging" describes the spirit as tireless and persistent. Ludwig AI confirms the phrase's correctness and usability.
Frequent in
News & Media
100%
Less common in
Science
0%
Formal & Business
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "unflagging spirit" is a grammatically correct and usable phrase that describes unwavering determination and enthusiasm. Ludwig AI validates this, highlighting its use in reputable sources like The New York Times and The New Yorker. While not extremely common, the phrase is most impactful when used to portray resilience in the face of significant challenges. Alternatives such as "indomitable spirit" and "unwavering spirit" offer similar meanings with slightly different nuances. Remember to reserve this powerful phrase for situations where it truly reflects someone's remarkable inner strength and persistent positivity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
unswerving spirit
Focuses on the steadfast and unwavering nature of the spirit.
constant spirit
Emphasizes the continuous and persistent nature of the spirit.
indomitable spirit
Highlights the unbeatable and resilient nature of the spirit, suggesting it cannot be subdued.
unfaltering spirit
Stresses the spirit's steadiness and lack of hesitation.
relentless spirit
Focuses on the spirit's persistent and unyielding nature.
unflinching spirit
Emphasizes the spirit's courage and determination in the face of adversity.
undiminished spirit
Highlights that the spirit remains strong and has not lessened over time.
tireless spirit
Focuses on the spirit's energy and ability to keep going without fatigue.
unwavering spirit
Similar to "unswerving spirit", emphasizing a steady and resolute nature.
unrelenting spirit
Like "relentless spirit", highlights a determination that does not give way.
FAQs
How can I use "unflagging spirit" in a sentence?
You can use "unflagging spirit" to describe someone who maintains a positive and determined attitude despite facing difficulties. For example: "Despite her illness, she approached each day with an "unflagging spirit"."
What are some alternatives to "unflagging spirit"?
Alternatives to "unflagging spirit" include "indomitable spirit", "unwavering spirit", or "tireless spirit", depending on the specific nuance you want to convey.
Is it better to say "unflagging spirit" or "unflagging energy"?
The choice between "unflagging spirit" and "unflagging energy" depends on what you want to emphasize. "Unflagging spirit" highlights mental and emotional resilience, while "unflagging energy" focuses on physical stamina and drive.
What does it mean to have an "unflagging spirit"?
Having an "unflagging spirit" means possessing a consistent and unwavering positive attitude, determination, and resilience, even when facing challenges or setbacks. It implies a strong inner strength and an optimistic outlook.
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
94%
Authority and reliability
4.5/5
Expert rating
Real-world application tested