The definition of vindictive is someone who is out for revenge.(adjective)
An example of vindictive is a person who writes down every mean thing ever said to her in a notebook so she can get back at the people who were unkind.
See vindictive in Webster's New World College Dictionary
Origin: < L vindicta, revenge, vindication < vindicatus (see vindicate) + -ive
See vindictive in American Heritage Dictionary 4
Origin: From Latin vindicta, vengeance
Origin: , from vindex, vindic-, surety, avenger; see vindicate.
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