verb (used with object), a·dul·ter·at·ed, a·dul·ter·at·ing.
- to debase or make impure by adding inferior materials or elements; use cheaper, inferior, or less desirable goods in the production of (any professedly genuine article): to adulterate food.
- impure or debased; cheapened in quality or purity.
- (tr) to debase by adding inferior materialto adulterate milk with water
adjective (əˈdʌltərɪt, -ˌreɪt)
- adulterated; debased or impure
- a less common word for adulterous
1530s, back-formation from adulteration, or else from Latin adulteratus, past participle of adulterare “to falsify, corrupt,” also “to commit adultery.” Earlier verb was adulter (late 14c.). Related: Adulterated; adulterating.