Dictionary.com
Thesaurus.com
Synonyms

go bad

Idioms  
  1. Spoil, decay; also, turn to crime. For example, You can tell from the smell that this milk has gone bad, or If he keeps running around with that street gang, he's sure to go bad. [Late 1800s]


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

“I have to put it in the fridge to defrost, but you can’t put it there too far in advance” or the yogurt will go bad.

From The Wall Street Journal Aug. 3, 2026

Unfortunately, there’s no way to prove that’s the case—or that the good won’t go bad.

From Barron's Mar. 20, 2026

“Whatever asset you’re looking at people are on a knife’s edge regarding leverage and that doesn’t have to go bad; that can go very very well before it goes very, very bad,” he said.

From MarketWatch Feb. 18, 2026

"I think yes, if people are going to go bad, they go bad, but you can't tar a whole religion based on your prejudices."

From BBC Jan. 9, 2026

Or I forget about my bottles of egg yolk and water, which go bad and stink up the cellar with a smell like sulfur.

From "Cat's Eye" by Margaret Atwood

Vocabulary.com logo
by dictionary.com

Just like flashcards, but way more fun

Don't take our word for it. Leave the boring studying behind and join VocabTrainer today. You'll learn even faster and never look back.

Take me to Vocabulary.com