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sweetheart

[sweet-hahrt] / ˈswitˌhɑrt /
NOUN
person whom another loves
Synonyms
STRONGEST
boyfriend companion darling girlfriend heartthrob lover
STRONG
admirer beau beloved dear flame honey inamorata inamorato love lovebird paramour pet steady suitor swain sweet treasure truelove valentine
WEAK
dear one one and only significant other
Antonyms
STRONGEST
enemy foe

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.