Bad Crazy(28 words) batty (adjective) - Mad and slightly crazy, usually in a humorous way berserk (adjective) - To behave in a wild and uncontrolled way as a result of something unexpected happening. blabbermouth (noun) - An overly talkative person who speaks without thinking. bonkers (adjective) - Mentally unbalanced, mad and crazy, usually meant humorously catatonic (adjective) - Appearing to be in a daze or stupor; unresponsive, not moving or reacting. cockamamie (adjective) - Describing an idea or explanation that is ridiculous and makes no sense compulsion (noun) - A strong, irresistible urge to do something, often against one's better judgement. crackpot (noun) - A slightly strange or foolish person crank (noun) - Someone who others think has unusual ideas or behaves strangely daffy (adjective) - Silly, different, strange, and funny delirious (adjective) - In a disturbed state of mind, often due to illness or fever, leading to confusion and hallucinations. delusional (adjective) - Seeing or believing things that are not real deranged (adjective) - Behaving in an uncontrolled or dangerous way because of mental illness hysterical (adjective) - Having uncontrolled extreme emotion kooky (adjective) - Strange and different, in a funny way loony (adjective) - Crazy or silly loudmouth (noun) - Someone who speaks loudly and without thinking, often causing trouble or embarrassment. lunacy (noun) - Stupid or crazy ideas or behavior that is likely to have bad results lunatic (noun) - A person who is crazy maniac (noun) - Someone who is mentally ill tending towards violent and dangerous behavior. mercurial (adjective) - Changing emotions suddenly and often mischievous (adjective) - Playfully causing trouble or annoyance, often in a fun or harmless way. nuts (adjective) - Crazy, insane, or stupid, often in a humorous way psycho (noun) - A person with severe mental health issues, often describing someone who behaves in an erratic or dangerous manner. unhinged (adjective) - Mentally unbalanced and unstable wacky (adjective) - Something that is strange and different to the point of amusement. weirdo (noun) - A person whose dress or behavior seems strange zany (adjective) - Amusingly unconventional and different