one and only

• Audio (AU)

  (file)

one and only (not comparable)

1. (idiomatic) Unique, one of a kind.

   Please welcome the one and only Bruce Springsteen!

• first and last

one and only (plural one and onlies)

1. (idiomatic) Only love, sole sweetheart.

   Will you be my one and only?

2. The most talented or famous person (within in a specific context)
   • 2022 November 29, Ian Mitchelmore, “Wales put out of World Cup misery by England as sobering tournament must signal changing of the guard”, in WalesOnline‎:

     Chesney Hawkes entertained the punters at half-time, and it was Wales' One and Only who was withdrawn ahead of the second-half as Brennan Johnson replaced Gareth Bale who had made just one successful pass in the first-half.