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one and only

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]

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The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

Related Words for one and only

alone, exclusive, lone, remaining, different, rare, uncommon, particular, completely, wholly, only, entirely, solely, heartthrob, paramour, companion, lover, girlfriend, darling, boyfriend