Adulterate A*dul"ter*ate, v. t. [imp. & p. p. {Adulterated}; p. pr. & vb. n. {Adulterating}.] [L. adulteratus, p. p. of adulterare, fr. adulter adulterer, prob. fr. ad + alter other, properly one who approaches another on account of unlawful love. Cf. {Advoutry}.] [1913 Webster] 1. To defile by adultery. [Obs.] --Milton. [1913 Webster]

2. To corrupt, debase, or make impure by an admixture of a foreign or a baser substance; as, to adulterate food, drink, drugs, coin, etc. [1913 Webster]

The present war has . . . adulterated our tongue with strange words. --Spectator. [1913 Webster]

Syn: To corrupt; defile; debase; contaminate; vitiate; sophisticate. [1913 Webster]

The Collaborative International Dictionary of English. 2000.