haywire Meaning, Definition & Usage

1. noun wire for tying up bales of hay
   
2. adjective satellite informal or slang terms for mentally irregular
   loco; wacky; loopy; bats; nuts; balmy; kooky; nutty; barmy; around the bend; buggy; kookie; loony; whacky; crackers; round the bend; daft; dotty; batty; cracked; fruity; bonkers.
   
   • it used to drive my husband balmy
3. adjective satellite not functioning properly
   amiss; wrong; awry.
   
   • something is amiss
   • has gone completely haywire
   • something is wrong with the engine

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