Idioms

silent killer

Also found in: Medical.

silent killer

That which can cause death without showing any early indications that might act as warnings. High blood pressure is often called the silent killer because it does not show any early symptoms despite how deadly it can be. Carbon monoxide is odorless, colorless, and tasteless—our bodies can't even detect it's in the room until it's too late. It's truly a silent killer.
See also: killer, silent
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.
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