\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}.]
1. To defile by adultery. [Obs.] --Milton.
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.

\A*dul"ter*ate\, v. i.
To commit adultery. [Obs.]

\A*dul"ter*ate\, a.
1. Tainted with adultery.
2. Debased by the admixture of a foreign substance;
   adulterated; spurious. -- {A*dul"ter*ate*ly}, adv. --
   {A*dul"ter*ate*ness}, n.