In a manner that is impure, mixed with inferior substances, or corrupted; in an adulterated way.
The adverbial form of adulterated with the -ly suffix, creating an adverb from the adjective.
The adverb 'adulterately' is rare in modern use, but when it appears in older texts, it often describes behavior that's morally mixed or compromised—not physically impure but ethically tainted.
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