Definition of "haywire" []

• Wire used in baling hay. (noun)
• Informal Mentally confused or erratic; crazy: went haywire over the interminable delays. (adjective)
• Informal Not functioning properly; broken. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "To say that this terrific book tells the true story of a New York stick-up gone haywire is like saying that Psycho is about a motel with an eccentric owner."
• "I probably would have enjoyed myself more if Alton had rules that prohibited smoking indoors like San Diego does — because let me tell you, choking on cigarette smoke when you’re already having trouble breathing because your sinuses have gone haywire is not a pretty thing — and, well, if I’d gone with a group of my own friends."
• "A “world gone haywire” wow, the only thing that went haywire is Roth’s brain."