Here follows the definition of the words avenge
+ the difference between avenge
Both words are about repaying a wrong. The differences between them have to do with grammar and shades of meaning, though there is considerable overlap in meaning, dictated by usage over time. Grammatically speaking, avenge
is a verb only; revenge
is a verb and more usually a noun. Avenge
traditionally relates not only to repaying a wrong but to getting justice on somebody else's behalf as a remedy for that wrong. Revenge
traditionally relates to getting even with an adversary by inflicting punishment or harm.
Though both avenge
can be used as transitive verbs with reflexive pronouns, revenge
is commoner in this use: The dictatorship avenged
itself on the partisans' radio station by burning it to the ground; As a victim of a hate crime, she finally avenged
herself on the perpetrators.