Dictionary.com
Thesaurus.com
Synonyms

one and only

Idioms  
  1. One's only love; one's only sweetheart. For example, He swore she was his one and only, but the detective following him knew better. [c. 1900]


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Desperate for money, she signed a contract attesting that she was “the one and only Tokyo Rose.”

From Los Angeles Times

This week, England will play their one and only warm-up match before the upcoming series, a three-dayer against England Lions in Perth.

From BBC

Are you prepared for your wife to be your one and only friend when you get there?

From MarketWatch

That means Daryl Clark, who started scored England's one and only try late on, could miss out altogether.

From BBC

Its seven Oscar wins, including best picture, capped off a great year for the actor who received his one and only lead actor Oscar nomination for his breezy performance.

From Los Angeles Times