adultˈerous adjective

Relating to, of the nature of, or guilty of, adultery

adultˈerously adverb

adultˈery noun

1. Voluntary sexual intercourse between a married person and someone who is not that person's legal partner
2. Lack of chastity generally (Bible)
3. Applied esp by theologians to marriages disapproved of, expressing reproach or scorn
4. Image worship
5. Adulteration or falsification (obsolete)