Adulterous
From BiblePortal Wikipedia
King James Dictionary [1]
Adul'Terous, a.
1. Guilty of adultery pertaining to adultery. 2. In scripture, idolatrous, very wicked. Matthew 12,16 . Mark 8.
Webster's Dictionary [2]
(1): (a.) Characterized by adulteration; spurious.
(2): (a.) Guilty of, or given to, adultery; pertaining to adultery; illicit.