a. 1. Languishing with love or amorous desire; as, a love-sick maid. [ 1913 Webster ]
To the dear mistress of my love-sick mind. Dryden. [ 1913 Webster ]
2. Originating in, or expressive of, languishing love. [ 1913 Webster ]
Where nightingales their love-sick ditty sing. Dryden. [ 1913 Webster ]
n. The state of being love-sick. [ 1913 Webster ]