In a fraudulent manner; by means of deception, dishonesty, or intent to deceive.
From 'fraudulent' (Latin 'fraudulentus', deceitful) + '-ly' (in the manner of). The adverb modifies actions to indicate fraudulent intent or execution.
'Fraudulently' is the dominant adverb form in modern legal and business language—it appears hundreds of times more often than 'fraudfully,' showing how one derived form completely displaced another.
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