Definitions

1. adjective

extremely foolish or unreasonable

“She thought it was crazy to spend so much money on a single item.”

2. adjective

having a mind or intellect affected by mental disorder; insane

“The doctor said that the patient was crazy and needed help.”

3. noun

a person who is insane or mentally deranged

“The crazy was put in a psychiatric hospital for treatment.”

4. noun

an exciting or thrilling experience or situation

“The rollercoaster was a crazy ride.”

5. verb

to behave or act in a foolish or unpredictable way

“The kids were crazy around the Christmas tree, fighting over the toys.”