Synonyms for adulterate
verb
weaken, mix with, intermix, alloy, amalgamate, dilute, water down, water, infiltrate, infect, lessen, reduce, concoct, infuse, mingle with, commingle, blend, taint, pollute, debase, corrupt, contaminate, depreciate, cheapen, devalue, vitiate, muddle, impair, make lower in quality, thin out, defile, denature, degrade, deteriorate, dissolve, make impure, tamper with, simplify, falsify, cut*, doctor*.
Antonyms purify*, cleanse, maintain.
See adulterate in American Heritage Dictionary 4 Synonyms
adulterate debase doctor load
These verbs mean to make impure or inferior by adding foreign substances to something: adulterate coffee with ground acorns; silver debased with copper; doctored the wine with water; rag paper loaded with wood fiber.
See adulterate in Webster's New World Roget's A-Z Thesaurus II
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