The definition of punitive is something that is involved with punishment.(adjective)
An example of punitive is a measure taken to reprimand someone.
See punitive in Webster's New World College Dictionary
Origin: ML punitivus < L punitus, pp. of punire, to punish
See punitive in American Heritage Dictionary 4
Origin: Medieval Latin pūnītīvus
Origin: , from Latin poenīre, pūnīre, to punish; see punish.
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