1a : likely to betray trust : unreliable a treacherous memory. b : providing insecure footing or support treacherous quicksand. c : marked by hidden dangers, hazards, or perils.

What is an example of treacherous?

The definition of treacherous is someone who is guilty of dishonesty or betrayal, or something that is dangerous or hazardous. An example of treacherous is someone you thought was your friend who shares your secrets with everyone. An example of treacherous is ground made slippery because of an ice storm.

Does treacherous means dangerous?

Treacherous means either not trusted or dangerous. A treacherous road might be icy or otherwise likely to cause a car accident. A treacherous friend will betray you. Treachery refers to harmful acts you might do to someone who trusts you.