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
feel weak
Grammar usage guide and real-world examplesUSAGE SUMMARY
"Feel weak" is correct and usable in written English.
You can use it when you want to express that you are feeling physically weak or weak in general (for example, feeling overwhelmed, emotionally weak, etc.). For example: After working 12 hour days for a week, I am starting to feel weak.
✓ Grammatically correct
News & Media
Wiki
Science
Alternative expressions(3)
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
58 human-written examples
Weakness: The person will feel weak at times.
Wiki
They feel weak.
News & Media
It makes me feel weak.
News & Media
I feel weak and my body's aching.
News & Media
This summer, however, the temporary exhibitions feel weak.
News & Media
But narcoleptics will feel weak and unable to speak.
News & Media
Within minutes the patient began to feel weak and dizzy.
News & Media
In defeat I came to feel weak and ashamed.
News & Media
Being criticized makes them feel weak, incompetent, or incapable….
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
2 human-written examples
There are "interactive" bergens (rucksacks supported by a frame) to feel weak-kneed beneath.
News & Media
Smoking made me feel weak-willed, pathetic, out of control, unattractive.
News & Media
Expert writing Tips
Best practice
When describing a temporary state of diminished physical capacity due to illness or exertion, use "feel weak" to convey a relatable and easily understood symptom.
Common error
Avoid using "feel weak" when you intend to describe feelings of sadness, insecurity, or lack of confidence. Instead, use phrases like "feel vulnerable", "feel insecure", or "feel discouraged" to more accurately convey emotional states.
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "feel weak" primarily functions as a descriptive expression of a subjective physical sensation. As supported by Ludwig AI, this phrase is correct and commonly used. It describes a state of reduced physical strength or energy. The phrase consists of the verb "feel" (linking verb) and the adjective "weak" (subject complement).
Frequent in
News & Media
47%
Wiki
25%
Science
28%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "feel weak" is a grammatically sound and frequently used expression that describes a state of reduced physical strength or energy. As Ludwig AI confirms, it's a valid and easily understood phrase. It appears most commonly in news, media, and scientific contexts. While it can be used metaphorically to describe emotional states, it's more precise to use terms like "vulnerable" or "powerless" in those cases. Remember to use alternatives like "feel feeble" or "feel frail" to add nuance, and be mindful of the context to ensure accurate and effective communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
feel feeble
Implies a more pronounced lack of strength, bordering on helplessness.
feel frail
Suggests a delicate or fragile state, often associated with age or illness.
feel tired
Indicates a lack of energy and a desire to rest, less intense than "feel weak".
feel exhausted
Signifies extreme tiredness, bordering on depletion.
feel powerless
Emphasizes a lack of control or influence, more related to emotional weakness.
feel vulnerable
Highlights a susceptibility to harm or attack, often implying emotional weakness.
feel faint
Describes a sensation of impending loss of consciousness.
feel dizzy
Indicates a sensation of spinning or imbalance.
lack energy
A more clinical way of expressing a deficiency in physical or mental vigor.
feel shaky
Indicates trembling or instability, often due to weakness or anxiety.
FAQs
How can I use "feel weak" in a sentence?
What are some synonyms for "feel weak"?
Alternatives to "feel weak" include "feel feeble", "feel frail", "feel tired", or "lack energy", depending on the specific nuance you want to convey.
Is it appropriate to use "feel weak" to describe an emotional state?
While "feel weak" primarily refers to physical weakness, it can sometimes be used metaphorically to describe a sense of powerlessness. However, phrases like "feel vulnerable" or "feel powerless" are generally more accurate for emotional states.
What's the difference between "feel weak" and "feel tired"?
"Feel weak" suggests a lack of physical strength or ability, while "feel tired" indicates a lack of energy or a desire to rest. You can "feel tired" without necessarily "feeling weak", and vice versa, although they often occur together.
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