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
profound fatigue
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "profound fatigue" is correct and usable in written English.
It can be used to describe a deep or intense level of tiredness, often in a physical or emotional context. Example: "After the long journey and sleepless nights, I was overwhelmed by a sense of profound fatigue."
✓ Grammatically correct
Describes an intense state of tiredness or exhaustion
Often associated with medical conditions or significant life events
Used in both formal and informal contexts to emphasize the severity of fatigue
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
31 human-written examples
"Profound fatigue, profound brain fog.
News & Media
But sunlight exposes his profound fatigue.
News & Media
At the same time, profound fatigue descended, interrupted by flashes of guilt.
News & Media
On top of this, cancer survivors are often battling with physical and practical challenges, anything from huge financial losses, to the side effects of medication, profound fatigue, a confused-feeling known as "chemo brain", or lymphoedima (swelling).
News & Media
Children who are dying of cancer suffer greatly because they are not given adequate treatment for pain, shortness of breath, profound fatigue, nausea and other distressing symptoms, according to a study being published today in The New England Journal of Medicine.
News & Media
Going back through the calendar now, more than 18 months after my father died, the entries chart a relentless physical decline — profound fatigue, sore hips and knees, aching wrists, swollen legs, inflamed teeth, increasing forgetfulness, the savage indignities of old age.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
29 human-written examples
These symptoms are frequently associated with profound cachexia and fatigue, accentuation of pre-existing cytopenias and, sometimes, signs of portal hypertension.
Science
That fatigue is profound; by 10 45 P.M., the ghost of Leonard Cohen could have drifted down in the basket of a hot air balloon to collect his award for Best Rock Performance, and I still would've yawned.
News & Media
The musical stylings of Herb (whose liquidly bobbing head and blissed-out expression suggest that his nervous system is located in the strings of his piano) and the vocals of Kiki are radioactive with an angry sorrow, ecstasy and cosmic fatigue so profound that it turns into cosmic punch-drunkenness.
News & Media
Seabed trench has a profound influence on the fatigue performance of a steel catenary riser (SCR) at the touchdown zone.
Science
Constant amplitude, cyclic tests revealed that weld quality within the curved or nested insert has a profound effect upon the fatigue behaviour.
Science
Expert writing Tips
Best practice
Use "profound fatigue" to accurately convey a state of intense tiredness that goes beyond typical weariness. This emphasizes the significant impact on the individual's ability to function.
Common error
Avoid using "profound fatigue" to describe everyday tiredness. The phrase is best reserved for situations where the fatigue is significantly debilitating or medically relevant; otherwise, it can sound exaggerated.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "profound fatigue" functions as a descriptor, specifically an adjective ("profound") modifying a noun ("fatigue"). It serves to intensify the degree of tiredness or exhaustion being experienced. According to Ludwig AI, this phrase is usable in written English.
Frequent in
Science
44%
News & Media
37%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "profound fatigue" is a descriptor used to denote a severe and impactful state of tiredness, often associated with medical conditions or significant life events. According to Ludwig AI, it is a correct and usable phrase in written English. It is most commonly found in scientific and news contexts and should be reserved for situations where the fatigue is genuinely debilitating to avoid sounding exaggerated. Alternatives include "extreme exhaustion" and "debilitating fatigue". This phrase serves to emphasize the intensity of the tiredness and its impact on the individual's ability to function.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
extreme exhaustion
Focuses more on the complete depletion of energy reserves.
intense weariness
Highlights the feeling of being heavily burdened and tired.
debilitating fatigue
Emphasizes the incapacitating effect of the fatigue.
severe tiredness
A more straightforward and less emphatic alternative.
overwhelming lethargy
Focuses on the sluggishness and lack of motivation associated with fatigue.
crippling exhaustion
Suggests a more severe and limiting form of exhaustion.
acute weariness
Emphasizes the sudden onset of the fatigue.
deep-seated tiredness
Highlights the ingrained and persistent nature of the fatigue.
unrelenting exhaustion
Emphasizes the continuous and persistent nature of exhaustion.
consuming fatigue
Implies that the fatigue is all-encompassing and dominates one's state.
FAQs
How can I accurately describe the intensity of my tiredness using "profound fatigue"?
Use "profound fatigue" when the tiredness is significantly debilitating and interferes with daily activities. It suggests a level of exhaustion beyond typical tiredness, often associated with medical conditions or extreme stress.
What are some alternative ways to express extreme tiredness besides "profound fatigue"?
You can use alternatives like "extreme exhaustion", "intense weariness", or "debilitating fatigue" depending on the context and specific nuance you want to convey.
In what contexts is it appropriate to use the phrase "profound fatigue"?
It's suitable in medical, scientific, or serious personal contexts to describe a level of tiredness that is severe and significantly impacts one's ability to function. Avoid using it casually for everyday tiredness.
Is there a difference between "profound fatigue" and simply saying "I'm very tired"?
Yes, "profound fatigue" suggests a much more severe and impactful level of tiredness than simply being "very tired". It implies a debilitating condition, whereas "very tired" can refer to normal, everyday weariness.
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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested