Crazy

Someone who others think has unusual ideas or behaves strangely (noun)

Mad and slightly crazy, usually in a humorous way (adjective)

To behave in a wild and uncontrolled way as a result of something unexpected happening. (adjective)

Mentally unbalanced, mad and crazy, usually meant humorously (adjective)

Silly, different, strange, and funny (adjective)

Strange and different, in a funny way (adjective)

Something that is strange and different to the point of amusement. (adjective)

Bad-tempered, argumentative, and uncooperative (adjective)

Crazy or silly (adjective)

Amusingly unconventional and different (adjective)

A slightly strange or foolish person (noun)

Having uncontrolled extreme emotion (adjective)

Mentally unbalanced and unstable (adjective)

A person whose dress or behavior seems strange (noun)

Behaving in an uncontrolled or dangerous way because of mental illness (adjective)

Seeing or believing things that are not real (adjective)

Crazy, insane, or stupid, often in a humorous way (adjective)

A person who is crazy (noun)

In a disturbed state of mind, often due to illness or fever, leading to confusion and hallucinations. (adjective)

Causing problems or preventing something from continuing smoothly. (adjective)

Someone who is mentally ill tending towards violent and dangerous behavior. (noun)

A person with severe mental health issues, often describing someone who behaves in an erratic or dangerous manner. (noun)

Appearing to be in a daze or stupor; unresponsive, not moving or reacting. (adjective)

Stupid or crazy ideas or behavior that is likely to have bad results (noun)

Someone who has an unnaturally strong wish for power and control. (noun)