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Definitions

fail-safe

[feyl-seyf] / ˈfeɪlˌseɪf /


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.

The boats had rejected their inputs and automatically idled as a fail-safe, making them “dead” in the water.

From The Wall Street Journal • Nov. 27, 2025

Congress created the Insurrection Act as a fail-safe in response to armed mobs attacking their neighbors and organized militias seeking to overthrow elected officials.

From Los Angeles Times • Oct. 16, 2025

She followed my recommendation to take the DMV’s fail-safe eLearning course on her home computer.

From Los Angeles Times • Feb. 15, 2024

There was a fail-safe command that would temporarily render Ellie incapable of making decisions.

From Slate • Jan. 27, 2024

When the first seismic waves reached the power plant at Fukushima Daiichi, fail-safe systems shut down the reactors.

From "Meltdown" by Deirdre Langeland