Cool MateInsane vs You are crazy
When to use each in English, with meaning, register, and examples.
Insane
InformalTop 1,000 (very common)
You are crazy
InformalTop 2,000 (common)
Most common: Insane
| Insane | You are crazy | |
|---|---|---|
| Pronunciation | 🇬🇧 //ɪnˈseɪn//🇺🇸 //ɪnˈseɪn// | 🇬🇧 //jʊ ə kˈreɪ.zi//🇺🇸 //juː ɑːr ˈkreɪ.zi// |
| Meaning | really crazy or not normal | You act in a very strange way or are not sane. |
| Example | The stunts in that movie were absolutely insane! | Look at him dance; you are crazy! |
| Register | Informal | Informal |
| How common | Top 1,000 (very common) | Top 2,000 (common) |
| Collocations | insane amount, insane condition, insane idea | act crazy, you are crazy about, feel crazy, think you are crazy, say you are crazy |
| Antonyms | sane, reasonable, normal | - |
| Common mistakes | Confused with 'insanity' — they have different grammatical uses, Using it to describe serious issues can be offensive, Overusing it for emphasis in formal writing | Confused with 'you are crazy about' which means very interested., Using it seriously; it's usually meant jokingly., Mispronouncing 'crazy' as /kreɪzi/. |
| Usage notes | Used to describe something extreme or crazy. Often used in casual speech, but can be viewed negatively. Avoid in formal contexts. | Used casually among friends. It can be playful or insulting depending on tone. Avoid in formal contexts. |
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Frequently asked questions: Insane vs You are crazy
What's the difference between Insane and You are crazy?
Insane: really crazy or not normal You are crazy: You act in a very strange way or are not sane.
Which is more common: Insane and You are crazy?
Insane is the most common in everyday English.
Can you show an example of each?
Insane: The stunts in that movie were absolutely insane! You are crazy: Look at him dance; you are crazy!
Can I use Insane and You are crazy interchangeably?
Not always. Insane and You are crazy 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.