The Collaborative International Dictionary of English v.0.48:
Lovelorn \Love"lorn`\, a. Forsaken by one's love. [1913 Webster] The lovelorn nightingale. --Milton. [1913 Webster]WordNet (r) 3.0 (2006):
lovelorn adj 1: unhappy in love; suffering from unrequited love [syn: bereft, lovelorn, unbeloved]