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Synonyms

sweetheart

American  
[sweet-hahrt] / ˈswitˌhɑrt /

noun

  1. either of a pair of lovers in relation to the other.

  2. (sometimes initial capital letter) an affectionate or familiar term of address.

  3. a beloved person.

  4. Informal. a generous, friendly person.

  5. Informal. anything that arouses loyal affection.

    My old car was a real sweetheart.
sweetheart British  
/ ˈswiːtˌhɑːt /

noun

  1. a person loved by another

  2. informal a lovable, generous, or obliging person

  3. a term of endearment for a beloved or lovable person

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. of or relating to a garment with a sweetheart neckline

    sweetheart cardigan
"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of sweetheart

First recorded in 1250–1300, sweetheart is from Middle English swete herte. See sweet, heart

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.

He had two sons from his first marriage to his high school sweetheart Dianne Holechek, which lasted 30 years, and a son and a daughter with his second wife Gena O'Kelley.

From Barron's • Mar. 20, 2026

George calls me sweetheart, shows concern for how I'm feeling and thinks he knows what "makes me tick", but he's not my boyfriend - he's my AI companion.

From BBC • Jan. 30, 2026

Those unfamiliar with Funches’ reputation as a sweetheart might have easily swallowed that, but people who love Funches really love him and rose to his defense on social media.

From Salon • Jan. 28, 2026

The younger Robles married his high school sweetheart, Madalene Maldonado, on Jan. 4, 1969 — after the busy holiday season, of course — and they immediately started a family.

From Los Angeles Times • Dec. 18, 2025

“On the other hand," he said slowly, “you always were a crafty dog. And there are a lot of letters there just for a bottle of wine. What about it, sweetheart?"

From "Inkheart" by Cornelia Funke

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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