MYSELF', pronoun A compound of my and self, used after I, to express emphasis, marking emphatically the distinction between the speaker and another person; as, I myself will do it; I have done it myself 1. In the objective case, the reciprocal of I. I will defend myself 2. It is sometimes used without I, particularly in poetry. MYSELF shall mount the rostrum in his favor.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI