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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
a bad liar
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a bad liar" is correct and usable in written English.
It can be used to describe someone who is not skilled at lying or who is easily caught in a lie. Example: "He always gets nervous when he tries to lie, making him a bad liar."
✓ Grammatically correct
News & Media
Wiki
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
10 human-written examples
Was the informant a bad liar?
News & Media
Friends told my partner she was lucky to be with such a bad liar.
News & Media
The Sunday People accused Putin of either being "a bad liar.
News & Media
— "Living Out Loud," by Anna Quindlen "There is no such thing as a good writer and a bad liar".
News & Media
Ren is a bad liar, but he begins to recognize the way Nab's stories work, and finally tells one of his own, to save himself.
News & Media
Because I'm a bad liar, that's why.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
50 human-written examples
And my husband is not a particularly dissembling guy, plus he's a really bad liar so you'd think that if there were some proof, I would have found it by now.
News & Media
"I'm a really bad liar," Chapman says.
News & Media
Make yourself seem like a really bad liar.
Wiki
Despite the fact that Demjanjuk denied any and all involvement in the crimes of the Holocaust, he was demonstrated to be an exceptionally bad liar whose own accounts of his whereabouts were riddled with inconsistencies, impossibilities, untruths and evasions that bordered on admissions.
News & Media
With that in mind, I give you "Bad Liar," a sleek jive that borrows the bass line from Talking Heads' "Psycho Killer".
News & Media
Expert writing Tips
Best practice
Use the phrase "a bad liar" to create humorous or ironic situations in your writing, highlighting the contrast between the intention to deceive and the obvious failure to do so.
Common error
Avoid using "a bad liar" to describe someone who generally tells the truth but occasionally slips up. This phrase implies a consistent inability to lie convincingly, not just an occasional lapse in honesty.
Source & Trust
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a bad liar" functions as a noun phrase where "bad" modifies the noun "liar", describing someone's deficiency in the skill of lying. Ludwig examples confirm its use to characterize individuals who are unconvincing or easily detected when lying.
Frequent in
News & Media
62%
Wiki
22%
Academia
4%
Less common in
Formal & Business
2%
Science
4%
Reference
4%
Ludwig's WRAP-UP
The phrase "a bad liar" is a grammatically correct and commonly used way to describe someone who is not skilled at lying or is easily caught in a lie. As indicated by Ludwig, it's frequently found in news and media contexts, as well as in informal settings like wikis. The phrase is neutral in tone and suitable for diverse situations. Related phrases include "inept liar" and "poor liar". When using this phrase, it's important to provide context or examples to illustrate why the person is considered "a bad liar", and to avoid misapplying it to someone who is generally truthful but occasionally makes a mistake. Overall, it is a straightforward term recognized and utilized in many contexts.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
inept liar
Emphasizes a lack of skill or competence in lying.
poor liar
Highlights the low quality or effectiveness of the lies.
unconvincing liar
Focuses on the lack of persuasiveness in the lies.
easily exposed liar
Highlights the vulnerability of the lies to being discovered.
transparent liar
Emphasizes how obvious the lies are to others.
terrible liar
Highlights the very low quality of the lying ability.
clumsy liar
Suggests a lack of finesse and grace in the act of lying.
unskilled at deception
Focuses on the general lack of skill in deceiving others, not just lying.
not good at lying
A simple and direct way of stating the lack of skill.
struggles to deceive
Highlights the effort and difficulty involved in the act of lying.
FAQs
How can I use "a bad liar" in a sentence?
You can use "a bad liar" to describe someone who is easily detected when they are not telling the truth. For example: "He's "a bad liar" because he starts sweating and stuttering."
What are some alternatives to saying "a bad liar"?
Alternatives include "inept liar", "poor liar", or "unconvincing liar". The best choice depends on the specific nuance you want to convey.
What makes someone "a bad liar"?
Someone is considered "a bad liar" if they exhibit obvious signs of deception, such as avoiding eye contact, fidgeting, or providing inconsistent stories. Their attempts to deceive are generally unsuccessful.
Is it better to be "a bad liar" or a good one?
While honesty is generally valued, being "a bad liar" can sometimes be advantageous as it discourages attempts at deception. However, consistent honesty is usually the most ethical and effective approach.
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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
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested