go_bad
1. [ verb ] stop operating or functioning
Synonyms: fail break break_down die conk_out give_out go give_way
Examples:

"The engine finally went" "The car died on the road" "The bus we travelled in broke down on the way to town" "The coffee maker broke" "The engine failed on the way to town" "her eyesight went after the accident"

Related terms: change blow_out misfire crash malfunction die break failure
2. [ verb ] become unfit for consumption or use
Synonyms: spoil
Examples:

"the meat must be eaten before it spoils"

Related terms: decay addle curdle spoilage
Similar spelling:   Gobiidae
  gobbet