Definition of my in English:

my

possessive determiner

  • 1Belonging to or associated with the speaker.

    ‘my name is John’
    ‘my friend’
    1. 1.1informal Used with a name to refer to a member of the speaker's family.
      ‘my Johnny, see, he was smart’
    2. 1.2Used with forms of address in affectionate, sympathetic, humorous, or patronizing contexts.
      ‘my dear boy’
      ‘my poor baby’
  • 2Used in various expressions of surprise.

    ‘my goodness!’
    ‘oh my!’

Origin

Middle English mi (originally before words beginning with any consonant except h-), reduced from min, from Old English mīn (see mine).

Pronunciation:

my

/mʌɪ/

Definition of MY in English:

MY

  • Motor yacht.

    ‘MY Fleury’