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Word of the Day Tuesday, June 9, 2026

treacherous

/ˈtrɛtʃərəs/ adjective · British & US
Valid in UKValid in US
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What does treacherous mean?

adjective

Giving rise to danger; hazardous. Causing someone to lose their footing or balance.

Example

"The treacherous terrain made it difficult to navigate the mountain."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for treacherous

Antonyms of treacherous

Rhymes with treacherous

Etymologically related