ADUL'TERATE, verb transitive [Latin adultero, from adulter, mixed, or an adulterer; ad and alter, other.] To corrupt, debase, or make impure by an admixture of baser materials; as, to adulterate liquors, or the coin of a country. ADUL'TERATE, verb intransitive To commit adultery. obsolete ADUL'TERATE, adjective Tainted with adultery; debased by foreign mixture.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI