adulterously


a·dul·ter·ous

A0101200 (ə-dŭl′tər-əs, -trəs)adj. Relating to, inclined to, or marked by adultery.
a·dul′ter·ous·ly adv.
Thesaurus
Adv.1.adulterously - in an adulterous manneradulterously - in an adulterous manner; "he behaved adulterously"