To make impure by adding extraneous, improper, or inferior ingredients.(verb-transitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "adulterate" in a sentence
"The word 'adulterate' means 'to make impure, spurious or inferior by adding extraneous or improper ingredients' and I guess this applies to learning new values and ideas as filling our heads with extraneous or improper ingredients as well."
""adulterate" stages where "noise prevails," and "not a tongue of th 'untun'd kennel can a line repeat of serious sense.""
"He will chatter about things refined and spiritual and godlike like himself, and he and the men who herd with him will calmly adulterate the commodities they put upon the market and which annually kill tens of thousands of babies and young children."