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