sweetheart - any well-liked individual
Example:- he's a sweetheart
beauty, dish, knockout, looker, lulu, mantrap, peach, ravisher, smasher, stunner, sweetheart - a very attractive or seductive looking woman
steady, sweetheart, sweetie, truelove - a person loved by another person
sweetheart - privileged treatment of a favored person or corporation (sometimes unethically)
Example:- another sweetheart deal based on political influence