adulterate
1. adul.ter.ate \*-'d*l-t*-.ra-t\ \-.ra-t-*r\ n [L adulteratus, pp. of adulterare, fr. ad- + alter othe]r - more at ELSE : to corrupt, debase, or make impure by the addition of a foreign or infer ior substance; esp : to prepare for sale by replacing more valuable or inert ingredients in whole or in part - adul.ter.a.tor n 2. adul.ter.ate \*-'d*l-t(*-)r*t\ aj 1: tainted with adultery : ADULTEROUS 2: ADULTERATED, SPURIOUS