adulter C2+

/əˈdʌltɚ/ to corrupt or debase by adding a foreign substance; to adulterate

adulterant C2+

/əˈdʌltərənt/ a substance added to dilute or debase something, especially a foodstuff

unadulteratedly C2+

/ˌʌnəˈdʌltəreɪtɪdli/ in a pure or unmixed manner; utterly