adulterer
Concise Oxford English Dictionary © 2008 Oxford University Press:
adulterer/əˈdʌltərə(r)/
▶noun (fem. adulteress) a person who has committed adultery.
– origin C16: from obs. adulter ‘commit adultery’, from L. adulterare ‘debauch, corrupt’.
'adulterer' also found in these Oxford entries:

