adulterine
adjective
[ əˈdʌlt(ə)rʌɪn ]
• (of a child) born as the result of an adulterous relationship.
• illegal, unlicensed, or spurious.
• "an adulterine castle"
Origin:
mid 18th century (in the sense ‘due to adulteration’): from Latin adulterinus, from adulterare ‘debauch, corrupt’.
