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

" Crazy " is a song written by Willie Nelson and popularized by Patsy Cline in 1961. Nelson wrote the song while living in Houston, working for Pappy Daily 's label D Records.

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

Dec 31, 2025 · I love her because she is so wild and crazy. If you are crazy about something, you love it very much. I'm crazy about basketball. I'm totally crazy for my girlfriend. If something is …

CRAZY meaning: 1 : not sane: such as; 2 : having or showing severe mental illness

Caused by or arising from mental derangement; marked by or manifesting insanity: as, a crazy speech; crazy actions. from the GNU version of the Collaborative International Dictionary of …

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

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