Definition of sweetheart noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈswiːthɑːt//
    ; NAmE NAmE//ˈswiːthɑːrt//
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  1. 1[singular] (informal) used to address somebody in a way that shows affection Do you want a drink, sweetheart?
  2. 2[countable] (becoming old-fashioned) a person with whom somebody is having a romantic relationship They were childhood sweethearts. See related entries: Romance
See the Oxford Advanced American Dictionary entry: sweetheart