treacherous

[US]/ˈtretʃərəs/
[UK]/ˈtretʃərəs/
Frequency: Very High

Translation

adj. deceptive; disloyal; dangerous
adv. in a deceitful manner
n. betrayal

Phrases & Collocations

treacherous waters

treacherous conditions

treacherous terrain

Example Sentences

a treacherous stretch of road.

a treacherous Gestapo agent.

The frozen snow was treacherous to walk on.

The oil made the ground slippery and treacherous to walk on.

She was swept away by the treacherous currents.

he was an unfeeling, treacherous monster.

a holidaymaker was swept away by treacherous currents.

It was a vast and treacherous landscape, but breath-takingly beautiful.

I hear that the old man has broken with that treacherous son of his.

The surface water made the road treacherous for drivers.

he alone could safely guide them through Hollywood's treacherous shoals.

The road becomes treacherous when it is iced up.

she knew from bitter experience how treacherous such feelings could be.

he planned a treacherous murder to glut his desire for revenge.

For Stepney to share 780 pages of confidential Ferrari technical information with a McLaren employee was a heinously treacherous act.

The entrance to a cavern is found, but it is located underneath the house of the Fratelli family, a treacherous group of thieves who attempt to beat the "Goonies" to the treasure.

If their story is true,can the Marines outgun their enemies,make it through the treacherous jungle,and rendezvous with American forces in time to prevent disaster?

Real-world Examples

And ice and snow made deriving conditions treacherous all the way south to the Carolinas.

Source: CNN Selected January 2016 Collection

He told senators that a vote to deny witnesses was a " treacherous vote" .

Source: VOA Slow English - Word Stories

Remorseless, treacherous, lecherous, kindless villain. What did the words exactly mean?

Source: Brave New World

Erie has a reputation for treacherous flash storms.

Source: Listen to beautiful stories and remember level six vocabulary.

The wintry mix created treacherous conditions on major roadways.

Source: CNN Listening December 2013 Collection

Downed power lines made the roads treacherous.

Source: CNN 10 Student English September 2022 Collection

In high winds and treacherous seas including throughout the night, helicopters winching people to safety.

Source: BBC Listening December 2014 Collection

Treacherous icy conditions in the Northeast.

Source: CNN 10 Student English January 2022 Collection

One, very much alive and seething with treacherous forces of nature.

Source: The History Channel documentary "Cosmos"

Those treacherous cowards who wouldn't even brave Azkaban for him.

Source: Harry Potter and the Goblet of Fire

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