#1 sweetheart n. [sweetie, steady, truelove] a person loved by another person. wn
#2 sweetheart n. any well-liked individual; "he's a sweetheart". wn
#3 sweetheart n. [smasher, stunner, knockout, beauty, ravisher, peach, lulu, looker, mantrap, dish] a very attractive or seductive looking woman. wn
vizzz