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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.

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"A lot of things could happen in a marriage and you want to discuss them when you still love each other rather than when things go bad and you want to take revenge," says Celine.

From BBC Jul. 28, 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

Across rebel-held cities and towns, supermarket shelves sit empty while crops wither in inaccessible fields and go bad at rebel checkpoints.

From The Wall Street Journal Feb. 16, 2026

She should have known it could go bad, what with the prayer and Henry’s hand on hers, and inside that the dark kernel of before.

From "Out of Darkness" by Ashley Hope Pérez

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