The definition of a vigilante is a person who takes the law into his or her own hands.(noun)
An example of a vigilante is a person who makes it his mission to kill murderers.
See vigilante in Webster's New World College Dictionary
Origin: Sp, watchman, orig., vigilant
See vigilante in American Heritage Dictionary 4
Origin: Spanish, watchman, vigilante
Origin: , from Latin vigilāns, vigilant-
Origin: , present participle of vigilāre, to be watchful
Origin: , from vigil, watchful; see weg- in Indo-European roots.
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