sweetheart/ˈswitˌhɑrt/1used to address a loved one in an affectionate mannerCopyGood morning, sweetheart.CopyDon't worry, sweetheart, everything will be okay.CopyDon't worry, sweetheart, I'm sure you'll ace that test.CopyWhere would I be without you, sweetheart?You make everything better.CopySynonyms: sweetiesteadytruelove