1. out of order; not working properly
Usage: informal
2. emotionally or mentally upset; crazy
Usage: informal

1. wire used to bind bales of hay

Examples

• The computer went haywire and started displaying random characters.
• My schedule went completely haywire after the flight was cancelled.
• The old radio has been acting haywire lately.
• She went haywire when she heard the news.
• The farmer used haywire to secure the hay bales.
• Everything seemed to go haywire at once during the storm.