curiosity killed the cat
Meaning
Being too curious or nosy can get you into trouble or harm you.
Origin
Recorded from the late 19th–early 20th century. It likely evolved from earlier sayings like “care killed the cat,” where “care” meant worry/concern; over time “curiosity” replaced “care,” emphasizing meddling inquiry leading to danger.
Notes
Used to warn someone not to pry or investigate too much. Often lighthearted, but can be a serious caution depending on context.
Examples
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I know you want to open that old trunk, but curiosity killed the cat—leave it alone.
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He kept poking around in his boss’s private files, and it ended badly; curiosity killed the cat.
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Before you click that suspicious link, remember: curiosity killed the cat.
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She asked one question too many at the meeting, and afterward her coworkers warned her that curiosity killed the cat.
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I’m tempted to read his messages, but curiosity killed the cat, so I’ll mind my own business.
Grammar & Usage Notes
Fixed phrase; often used as a standalone warning. Sometimes appears with the extension “...but satisfaction brought it back.” Usually in past tense (“killed”) even when giving present advice.
Synonyms
- nosiness can get you in trouble
- don’t pry
- mind your own business
- let sleeping dogs lie
Antonyms
- curiosity is a virtue
- ask questions
- leave no stone unturned