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Definitions

treacherous

[trech-er-uhs] / ˈtrɛtʃ ər əs /




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.

In retrospect, its uncompromising litmus tests and chilly demeanor were real weaknesses, creating a pervading fear that any false step could expel one from good graces, and that a return trip was always, always treacherous.

From Slate • Apr. 13, 2026

What the pair found was a desert highway that rolls up and down, like an asphalt serpent, with deadly blind peaks and treacherous hidden troughs.

From Barron's • Mar. 8, 2026

He has investigated the agendas of powerful fossil fuel billionaires, delved into epic feuds pitting some of the world's largest energy companies against each other, and revealed how drillers navigate a treacherous political landscape.

From The Wall Street Journal • Mar. 2, 2026

A 70-year-old man died Tuesday after falling from a cliff along California’s treacherous Devil’s Slide, an oceanside stretch in Pacifica known for steep terrain that has led to several fatal accidents.

From Los Angeles Times • Feb. 25, 2026

“We have heard heroic tales of how your brothers fought against the treacherous Soviets and helped defeat them.”

From "Shooting Kabul" by N. H. Senzai




Vocabulary lists containing treacherous