The meaning of CRAZY is not mentally sound : marked by thought or action that lacks reason : insane —not used technically. How to use crazy in a sentence.

One who is or appears to be mentally deranged: "To them she is not a brusque crazy, but 'appropriately passionate'" (Mary McGrory).

" Crazy " is a song written by English singer-songwriter Seal and English songwriter Guy Sigsworth. Produced by Trevor Horn and Sigsworth, it was released by ZTT Records on 26 …

Crazy can also mean behaving in a strange way esp. because of stress, as if you are mentally ill:

If you describe someone or something as crazy, you think they are very foolish or strange.

Definition of crazy adjective in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Nov 9, 2025 · Out of control. When she gets on the motorcycle she goes crazy. Very excited or enthusiastic. quotations He went crazy when he won.

There are 17 meanings listed in OED's entry for the adjective crazy, two of which are labelled obsolete, and one of which is considered offensive. See ‘Meaning & use’ for definitions, usage, …

Crazy definition: mentally deranged; demented; insane.. See examples of CRAZY used in a sentence.

Discover everything about the word "CRAZY" in English: meanings, translations, synonyms, pronunciations, examples, and grammar insights - all in one comprehensive guide.