The definition of criminal is someone or something related to the commission of a crime.(adjective)
An example of criminal is an activity where money is stolen.
A criminal is defined as a person who has done something illegal.(noun)
An example of a criminal is a bank robber.
See criminal in Webster's New World College Dictionary
Origin: ME < OFr criminel < L criminalis < crimen: see crime
See criminal in American Heritage Dictionary 4
Origin: Middle English
Origin: , from Old French criminel
Origin: , from Late Latin crīminālis
Origin: , from Latin crīmen, crīmin-, accusation; see crime.
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