one and only

/W AH1 N AE1 N D OW1 N L IY0/
noun
  1. 1

    Only love, sole sweetheart.

    โ€œWill you be my one and only?โ€

adjective
  1. 1

    Unique, one of a kind

    โ€œPlease welcome the one and only Bruce Springsteen!โ€

Source: https://en.wiktionary.org/wiki/one%20and%20only