Treacherous

Pronunciation: /ˈtrɛtʃərəs/

Treacherous (adjective)

  1. Something that seems safe but can cause harm or danger unexpectedly.
  2. A person who cannot be trusted and may betray others.

Examples

  • The treacherous path led many travelers astray.
  • He was known as a treacherous ally in times of conflict.

Common collocations: treacherous terrain, treacherous waters, treacherous friend, treacherous behavior