treacherous

4 definitions • 5 examples

If the ground or sea is treacherous, it is extremely dangerous, especially because of bad weather conditions:

Snow and ice have left many roads treacherous, and drivers are warned to use caution.

A person who is treacherous deceives someone who trusts them, or has no loyalty:

Vargas plays the part of a treacherous aristocrat who betrays his king and country.

I feel a bit treacherous to my own sex if I ever make general criticisms of women.

(of the ground or the sea) extremely dangerous, esp. because of bad weather conditions:

Freezing rain made driving treacherous.

(of a person) guilty of deceiving someone who trusts you:

He was treacherous, or at least sneaky.