adj. 1 guilty of or involving treachery. 2 (of the weather, ice, the memory, etc.) likely to fail or give way. o treacherously ado. [French from trichier cheat: related to
adj. 1 guilty of or involving treachery. 2 (of the weather, ice, the memory, etc.) likely to fail or give way. o treacherously ado. [French from trichier cheat: related to