Treacherous
From BiblePortal Wikipedia
King James Dictionary [1]
Treacherous, a. trech'erous. See Treachery. Violating allegiance of faith pledged faithless traitorous to the state or sovereign perfidious in private life betraying a trust. A man may be treacherous to his country, or treacherous to his friend, by violating his engagements or his faith pledged.
Webster's Dictionary [2]
(a.) Like a traitor; involving treachery; violating allegiance or faith pledged; traitorous to the state or sovereign; perfidious in private life; betraying a trust; faithless.
