Liar vs. Lier: What's the Difference?
Learn why liar names someone who tells lies and why lier is a rare word for someone lying in wait or reclining, with examples and FAQs.
A liar is a person who tells lies. Lier is a rare noun for a person or thing that lies, such as someone lying in wait; it is not the standard spelling for a dishonest person. In nearly every sentence about deception, liar is correct.
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A comment moderation note labels a repeat scammer a “lier.” The writer means someone who makes false statements, so the word needs an a: liar.
Liar vs. Lier at a glance
| Word | Typical role | Meaning | Example |
|---|---|---|---|
| liar | Noun | a person who tells lies | The witness was called a liar after the story changed again. |
| lier | Rare noun | one that lies, reclines, or waits concealed | The hunter was a patient lier in wait. |
How to use liar
Liar is formed from the verb lie in the sense of making a false statement. English changes the spelling rather than simply adding -er, just as the familiar noun has long been standardized.
The witness was called a liar after the story changed again.
How to use lier
Lier exists but is uncommon. It relates to lie in the sense of reclining or remaining in a position, not to telling an untruth. Most readers will encounter it only in specialized or older writing.
The hunter was a patient lier in wait.
Rules that make the choice easier
Use liar for dishonesty
Whenever the meaning is a person who says something untrue, liar is the established modern spelling.
Treat lier as a rare literal noun
Use lier only when you truly mean someone or something that lies in a physical position or in wait.
Prefer a clearer phrase when possible
Because lier is unfamiliar, phrases such as person lying in wait or reclining figure may communicate the physical meaning more clearly.
Common mistakes to avoid
- Do not spell liar as lier when describing deception.
- Do not automatically replace every lier without checking a specialized physical meaning.
- Avoid using the rare word when a plain phrase would be clearer for general readers.
Quick practice
1. Which word names someone who tells untruths?
Answer: liar
2. Is lier a recognized word?
Answer: Yes, but it is rare
3. The proven ___ changed his story again.
Answer: liar
Frequently asked questions
Is lier a misspelling of liar?
It is a misspelling when you mean a dishonest person, although lier has a separate rare meaning.
What does lier mean?
Lier means one that lies physically, such as a person lying in wait.
Why is liar spelled with an a?
Liar is the established noun formed from lie in the sense of telling an untruth.
Which word should I use for someone who lies?
Use liar for someone who makes false statements.