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deniability

American

[dih-nahy-uh-bil-uh-tee] / dɪˌnaɪ əˈbɪl ə ti /

noun

the ability to deny something, as knowledge of or connection with an illegal activity.

Etymology

Origin of deniability

First recorded in 1970–75; deniable + -ity

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.

"Plausible deniability is only plausible until it isn't," he posted on X.

From BBC • Feb. 15, 2026

Separately, the emails your brother and/or her lawyer sent you could give them plausible deniability.

From MarketWatch • Feb. 2, 2026

There’s a higher threshold of plausible deniability with movies.

From Salon • Jan. 14, 2026

“It allows you to operate at a distance but gives you deniability and gives your agents survivability.”

From The Wall Street Journal • Dec. 12, 2025

And plausible deniability doesn’t sound so good, either.

From "South of Somewhere" by Kalena Miller

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023