1.pronoun(reflexive pronoun) Me, as direct or indirect object the speaker as the object of a verb or preposition, when the speaker is also the subject.
"I taught myself."
2.pronounPersonally, for my part; used in apposition to I, sometimes for simple emphasis and sometimes with implicit exclusion of any others performing the activity described.
3.pronounIn my normal state of body or mind.
4.pronounMe (as the object of a verb or preposition).