A·dul·ter·ate v. t. [imp. & p. p. Adulterated p. pr. & vb. n. Adulterating ]
1. To defile by adultery. [Obs.]
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.
The present war has . . . adulterated our tongue with strange words. --Spectator.
Syn: -- To corrupt; defile; debase; contaminate; vitiate; sophisticate.
adj : making impure or corrupt by adding extraneous materials;
"the adulterating effect of extraneous materials" [syn:
adulterant] [ant: purifying]