Cool MateFool vs You’re an idiot
When to use each in English, with meaning, register, and examples.
Fool
Top 2,000 (common)B2noun
You’re an idiot
VulgarCommon idiom
Most formal: FoolMost common: Fool
| Fool | You’re an idiot | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/fuːl/"]/🇺🇸 /["/fuːl/"]/ | 🇬🇧 //jʊəʳ ən ˈɪdɪət//🇺🇸 //jʊr ən ˈɪdiət// |
| Meaning | a person who makes mistakes or is easily tricked | You're foolish. |
| Example | He felt like a fool after forgetting his best friend's birthday. | You forgot to bring your homework? You're an idiot! |
| Register | Neutral | Vulgar |
| How common | Top 2,000 (common) | Common idiom |
| CEFR level | B2 | - |
| Part of speech | noun | |
| Collocations | big, great, silly, feel, feel like, look, like a fool, fool of a something, act the fool, play the fool, be no fool | call someone an idiot, feel like an idiot, act like an idiot |
| Antonyms | genius, sensible, wise | - |
| Common mistakes | Using 'fool' as a verb without an object, e.g., 'I fool.', Confusing 'fool' with 'fools' as plural without context., Overusing in formal conversations where 'deceived' may be more appropriate. | Used too often; can offend people., Mispronounced as 'idiot' instead of 'iddy-it'., Used in formal settings; it's disrespectful. |
| Usage notes | Used when someone is deceived or makes a silly decision. Avoid in serious contexts to not offend someone. | This phrase is informal and quite harsh. Use it in casual settings with friends who understand your humor, or avoid it in formal or serious situations. |
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Frequently asked questions: Fool vs You’re an idiot
What's the difference between Fool and You’re an idiot?
Fool: a person who makes mistakes or is easily tricked You’re an idiot: You're foolish.
Which is more formal: Fool and You’re an idiot?
Fool is the most formal of these.
Which is more common: Fool and You’re an idiot?
Fool is the most common in everyday English.
Can you show an example of each?
Fool: He felt like a fool after forgetting his best friend's birthday. You’re an idiot: You forgot to bring your homework? You're an idiot!
Can I use Fool and You’re an idiot interchangeably?
Not always. Fool and You’re an idiot are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.