Английский разговорный словарь (основной) - treacherous
Treacherous
treacherous
ˈtretʃərəs adj. 1 guilty of or involving treachery. 2 (of theweather, ice, the memory, etc.) not to be relied on; likely to fail or giveway. øøtreacherously adv. treacherousness n. [ME f. OF trecherous f. trecheor a cheat f. trechier, trichier: see TRICK]