A pronoun referring to the subject of the sentence, clause, or verbal phrase in which it stands specifically : a personal pronoun compounded with '-self'
(Grammar) pronoun that shows that the action of the verb is occurring to the subject of the sentence (i.e. I washed myself, - myself shows that it is I that was washed)
A reflexive pronoun is a pronoun such as `myself' which refers back to the subject of a sentence or clause. For example, in the sentence `He made himself a cup of tea', the reflexive pronoun `himself' refers back to `he'