Meaning of the word crazy in English

What does crazy mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

crazy

US /ˈkreɪ.zi/

UK /ˈkreɪ.zi/

mad, especially as manifested in wild or aggressive behavior.

Example:

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The man was acting crazy, shouting at passersby.

•

Are you crazy? You can't just jump off that cliff!

Synonym:

mad insane deranged unhinged lunatic

extremely enthusiastic or excited.

Example:

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She's absolutely crazy about horses.

•

The crowd went crazy when their team scored.

Synonym:

enthusiastic eager passionate fanatical obsessed

foolish or impractical.

Example:

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That's a crazy idea, it will never work.

•

He made some crazy claims that no one believed.

Synonym:

absurd ridiculous foolish senseless impractical

Related Word:

go crazy drive someone crazy