Adulterate

v. t. [imp. & p. p. ADULTERATED; p. pr. & vb. n. ADULTERATING.] [Lat. adulterare, from adulter, adulterer, unchaste; ad and alter, other, properly one who approaches another on account of unlawful love.] To corrupt, debase, or make impure by an admixture of baser materials; as, to adulterate liquors or the coin of a country. The present war has . . . adulterated our tongue with strange words. Spectator. Syn.—To corrupt; defile; debase; contaminate; vitiate; sophisticate.

To commit adultery. [Obs.]