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leaker

American  
[leek-er] / ˈlik ər /

noun

  1. someone or something that leaks, especially a person who releases secret information to the public without authorization.


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.

Eventually the leaker hinted there was a new vulnerability on the internet.

From The Wall Street Journal • Apr. 3, 2026

Investigators, he said, could catch the leaker and their accomplices “easily,” he continued.

From Salon • Jul. 2, 2025

After the false stories appeared in the Sun, Rooney released a statement on social media explaining what she had done and accusing Vardy of being the leaker.

From BBC • Oct. 18, 2023

This leaves national security interests at risk from a new class of insider threats: the unwitting leaker who uses chatbots to find much-needed connections and unintentionally divulges sensitive information along the way.

From Scientific American • Jul. 17, 2023

When that didn’t turn up the leaker, the FBI tapped the phones of several journalists.

From "Most Dangerous: Daniel Ellsberg and the Secret History of the Vietnam War" by Steve Sheinkin