go bad

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go bad

The milk will go bad if left out of the refrigerator.

Definition
  1. Verb (intransitive):
    • To become unfit for consumption or use: To undergo a process of decay, decomposition, or deterioration, making something no longer suitable for its intended purpose, especially regarding food or perishable items.
    • To stop operating or functioning: To cease to work correctly; to break down or fail, often suddenly or completely.
Examples of Usage
  • Verb (becoming unfit):
    • Milk will go bad if you leave it out of the refrigerator.
    • We need to eat these fruits before they go bad.
  • Verb (stopping function):
    • The old television finally went bad and we had to buy a new one.
    • The hard drive in my computer went bad, and I lost all my files.
Advanced Usage
  • "go bad on someone": Used informally to describe something failing or becoming unusable for a person, often at an inconvenient time.
    • My car went bad on me during the road trip.
  • Describing abstract failure: While often physical, it can describe the failure of plans or situations.
    • The whole deal went bad after the investor pulled out.
Variants and Related Words
  • Spoil (verb): To become unfit for use or consumption; to decay. Often used interchangeably with "go bad" for food.
    • The heat will spoil the meat.
  • Rot (verb): To decompose or decay, typically used for organic matter.
    • The wood began to rot.
  • Break down (phrasal verb): To cease to function (for machines or vehicles).
    • The elevator broke down.
  • Fail (verb): To stop functioning normally; to be unsuccessful.
    • The engine failed.
Synonyms
  • Deteriorate: To become progressively worse.
  • Perish: (For food) to decay or rot.
  • Give out: To stop working; to fail.
  • Conk out: (Informal) to break down or stop working.
Related Phrasal Verbs
  • Go off (UK English): Primarily used for food and drink meaning to become spoiled or sour.
    • I think the milk has gone off.
  • Go down: (For computer systems or networks) to stop functioning.
    • The website went down for maintenance.
Related Idioms
  • Go to the bad: An older idiom meaning to deteriorate morally or to ruin one's character. (Note: This is a distinct idiom and not a direct variant of "go bad").
    • He fell in with the wrong crowd and went to the bad.
  • Turn bad: Similar to "go bad," meaning to become spoiled or to deteriorate.
    • The weather turned bad, so we cancelled the picnic.
go bad

The milk will go bad if left out of the refrigerator.

Verb
  1. become unfit for consumption or use
    • the meat must be eaten before it spoils
  2. stop operating or functioning
    • 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