1Belonging to or associated with the speaker.‘my name is John’‘my friend’
- 1.1informal Used with a name to refer to a member of the speaker's family.‘my Francine won top honors in the science fair’
- 1.2Used with forms of address in affectionate, sympathetic, humorous, or patronizing contexts.‘my dear boy’‘my poor baby’
- 1.1informal Used with a name to refer to a member of the speaker's family.
2Used in various expressions of surprise.‘my goodness!’‘oh my!’
Middle English mi (originally before words beginning with any consonant except h-), reduced from min, from Old English mīn (see mine).