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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
moral weakness
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "moral weakness" is correct and usable in written English.
It can be used to describe a lack of moral strength or integrity in a person, often in the context of ethical dilemmas or personal failings. Example: "His decision to betray his friend was a clear indication of his moral weakness."
✓ 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
57 human-written examples
Moral weakness or hesitancy comes from alternating judgments about what is morally right (446E-447A).
Science
But I think his weakness is a moral weakness.
News & Media
Complaining of fatigue sounds like moral weakness; in New York City, tired is normal.
News & Media
Mr. Obama has now come to stand for opportunism and moral weakness we can believe in.
News & Media
Bernard is standoffish with them, but that is seen as his moral weakness, not theirs.
News & Media
The opposition party, meanwhile, accused the Senator of moral weakness and catastrophically poor judgment.
News & Media
Their martinis, tinted every color of the rainbow, merely advertise their moral weakness.
News & Media
They should not live in constant terror of being accused of mental or moral weakness for changing their minds.
News & Media
M.P.D. is part of a history of hysteria, which has always been regarded as a women's syndrome--a manifestation of women's inherent moral weakness.
News & Media
"They may sometimes confuse this kind of an addiction — like an alcohol addiction or a sexual addiction — with a spiritual or moral weakness.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
Advocates argue that acceptance of the brain disease view will reduce the stigmatisation that many people with an addiction experience by showing that an inability to refrain from using drugs arises not from personal qualities such as moral 'weakness' but as a result of drugs 'hijacking' the brain's reward system [ 4].
Science
Expert writing Tips
Best practice
When discussing "moral weakness", be specific about the context and actions that demonstrate this trait. Avoid vague generalizations and provide concrete examples to support your claims.
Common error
Don't assume that someone's "moral weakness" stems from ignorance. Often, people are fully aware of the ethical implications of their actions but choose to disregard them due to personal desires or external pressures. Focus on the choice made, not the awareness of it.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "moral weakness" primarily functions as a noun phrase, often serving as the subject or object of a sentence. Ludwig's examples shows its use in describing personal character flaws, ethical lapses in leadership, or struggles with addiction, indicating a lack of ethical strength.
Frequent in
News & Media
60%
Science
20%
Formal & Business
10%
Less common in
Wiki
3%
Encyclopedias
3%
Reference
4%
Ludwig's WRAP-UP
In summary, "moral weakness" is a frequently used noun phrase to indicate a deficiency in ethical strength or integrity. As Ludwig confirms, the phrase is grammatically correct and appears most often in News & Media and Scientific contexts. When using the phrase, consider specifying the actions that exemplify the "moral weakness" and be mindful not to conflate it with a lack of knowledge or willpower. Related phrases include "ethical frailty" and "moral failing", offering subtle nuances in meaning.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
ethical frailty
Emphasizes the delicate or easily compromised nature of one's ethical standards, suggesting a vulnerability to moral lapses.
moral failing
Highlights a specific instance of failing to meet moral standards, often implying a sense of guilt or regret.
ethical lapse
Refers to a temporary or isolated decline in ethical behavior, suggesting a momentary deviation from one's usual standards.
moral flaw
Indicates an inherent defect or imperfection in one's moral character, implying a persistent tendency towards unethical behavior.
character defect
Focuses on a broader imperfection in one's overall personality, which can manifest as ethical shortcomings.
lack of integrity
Underscores the absence of honesty, trustworthiness, and strong moral principles, suggesting a fundamental deficiency in one's ethical makeup.
deficiency in ethics
A formal expression pointing out to the lack of a necessary component for moral and ethical action.
spiritual poverty
Suggests a lack of inner strength and moral guidance, potentially leading to unethical actions.
absence of moral fiber
Implies a lack of resilience and fortitude in upholding ethical principles, suggesting a susceptibility to temptation and compromise.
moral deficiency
Indicates a quantifiable shortage or inadequacy in one's moral qualities, emphasizing a lack of essential ethical attributes.
FAQs
How can I use "moral weakness" in a sentence?
You can use "moral weakness" to describe a character's flaw in literature, a politician's ethical lapse, or a personal struggle with temptation. For example, "His "moral weakness" led him to betray his friends."
What is a synonym for "moral weakness"?
Alternatives include "ethical frailty", "moral failing", or "character defect". The best choice depends on the specific nuance you want to convey.
Is it appropriate to use "moral weakness" in formal writing?
Yes, "moral weakness" is appropriate for formal writing, especially when analyzing character flaws or ethical dilemmas. However, ensure the context warrants such a direct and potentially critical assessment. Consider alternatives like "ethical lapse" or "lack of integrity" for a less accusatory tone.
What's the difference between "moral weakness" and "lack of willpower"?
"Moral weakness" implies a deficiency in ethical principles, whereas "lack of willpower" suggests an inability to control impulses. While related, "moral weakness" focuses on ethical judgment, and "lack of willpower" focuses on self-control. You might understand something is wrong but lack the resolve to resist it.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested