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
I feel weak
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "I feel weak" is correct and usable in written English.
You can use it when expressing a sense of physical or emotional weakness or vulnerability. Example: "After the long illness, I feel weak and need some time to recover."
✓ Grammatically correct
News & Media
Lifestyle
Academia
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
18 human-written examples
I feel weak and my body's aching.
News & Media
"Sometimes I feel weak doing these things," he said.
News & Media
"I feel weak and frail but better," she said.
News & Media
"And now, because of you, I feel weak.
News & Media
We visit family, and over the holiday I feel weak, shaky, jittery.
News & Media
I read outside books to improve my ability in any subject I feel weak in".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
42 human-written examples
I felt weak and stupid.
News & Media
"I felt weak at the knees".
News & Media
I felt weak and light-headed.
News & Media
I was hardly eating, and I felt weak and tired.
Academia
I have been quoted as saying I felt weak at the knees.
News & Media
Expert writing Tips
Best practice
When describing a temporary condition, "I feel weak" is appropriate. For a more chronic condition, consider specifying the cause or duration of the weakness.
Common error
Avoid using "I feel weak" as a defining characteristic. Specify the context or cause of the weakness to provide clarity and avoid misinterpretation.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I feel weak" functions primarily as a statement of subjective experience. It communicates a personal sensation, whether physical, emotional, or psychological. Ludwig confirms its usability and grammatical correctness.
Frequent in
News & Media
40%
Lifestyle
20%
Academia
10%
Less common in
Science
10%
Wiki
5%
Formal & Business
5%
Ludwig's WRAP-UP
The phrase "I feel weak" is a common and grammatically correct way to express a subjective experience of lacking strength, energy, or resilience. As confirmed by Ludwig, it's versatile and appears across various contexts, though more frequently in news, lifestyle, and academic sources. While generally neutral in register, the phrase's specific implication depends on the situation; it could indicate temporary fatigue or a more serious underlying condition. When using this phrase, specify the context to ensure clarity. Consider alternatives like "I feel feeble" or "I feel drained" to refine your meaning.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
I feel feeble
Replaces "weak" with a synonym implying a more pronounced lack of strength or vigor.
I feel frail
Similar to feeble, but often associated with age or illness.
I feel drained
Emphasizes a depletion of energy, either physical or emotional.
I feel exhausted
Highlights extreme tiredness and fatigue.
I feel powerless
Shifts the focus to a lack of control or influence, rather than physical weakness.
I feel faint
Suggests a sensation of nearly losing consciousness.
I feel enervated
A more formal and less common synonym for feeling drained or depleted.
I feel unsteady
Focuses on a lack of balance or stability.
I feel tired
A general term for lacking energy.
I feel vulnerable
Shifts the meaning to a sense of being easily harmed or susceptible to negative influences.
FAQs
What does it mean when someone says, "I feel weak"?
Saying "I feel weak" generally indicates a lack of physical strength, energy, or emotional resilience. The exact meaning can vary based on context, implying anything from temporary fatigue to a more serious underlying health issue.
What can I say instead of "I feel weak"?
You can use alternatives like "I feel feeble", "I feel frail", or "I feel drained" depending on the nuance you want to convey.
Is it grammatically correct to say, "I feel weakly"?
No, "I feel weakly" is not grammatically correct. The correct phrasing is "I feel weak", where "weak" is an adjective describing the state of being. Using "weakly" (an adverb) is inappropriate in this context.
What's the difference between saying "I am weak" and "I feel weak"?
Saying "I am weak" suggests a more permanent or inherent state of weakness. In contrast, saying "I feel weak" implies a temporary condition or a current sensation of weakness. The latter is generally used to describe a transient state.
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