Definition of Warn
Quick Meaning of Warn
To tell someone about danger so they can prepare or avoid it.
Detailed Definition of Warn
To notify someone of possible danger or problem.
How to Pronounce Warn
Stress pattern: O (1-syllable word).
Tip: One syllable: /wɔːrn/. Rhymes with 'born', 'horn', 'worn'.
Origin and Etymology of Warn
From Old French warner, meaning to put on guard.
How to Use Warn in a Sentence
Each example shows “warn” with a CEFR level so learners can pick examples that match their fluency.
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“The sign warns drivers about the curve ahead.”
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“I warned her about the broken step.”
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“The weather forecast warned of severe storms.”
Synonyms and Antonyms of Warn
Common Synonyms for Warn
Smart Synonyms for Warn — When to Use Each
- caution
- warning about potential danger or risk
- alert
- warning someone immediately about urgent danger
Common Collocations with Warn
These phrases pair with “warn” in everyday English:
- warn about
- warn against
- warn someone
- early warning
Common Mistakes When Using Warn
Even fluent speakers slip up with “warn”. Here’s how to avoid the most common errors:
- ✗ Wrong: I warned about the danger.
- ✓ Correct: I warned him about the danger.
- Why: Warn needs an object (person being warned).
- ✗ Wrong: She warned to stay away.
- ✓ Correct: She warned him to stay away.
- Why: Warn requires an indirect object (person) before the action.
Other Forms of Warn
Frequently Asked Questions About Warn
What is the meaning of "Warn"?
To tell someone about danger so they can prepare or avoid it.
How do you pronounce "Warn"?
The IPA is /wɔːrn/. One syllable: /wɔːrn/. Rhymes with 'born', 'horn', 'worn'.
What part of speech is "Warn"?
"Warn" is a verb at A2 level (Common European Framework).
What are synonyms for "Warn"?
Common synonyms include alert, inform, caution.
How do you use "Warn" in a sentence?
For example: "The sign warns drivers about the curve ahead."