Advanced as in rat A person who informs on others; often used informally with the meaning of a traitor or informant. Clear All
3 Example Sentences Showcasing the Meaning of 'Canary'
The undercover agent played the role of a canary, gathering information on the criminal organization.
The courtroom drama intensified as the key witness turned into a canary, revealing shocking secrets.
In the scientific experiment, the behavior of the canary served as an indicator of air quality changes.
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