lovesick
/ˈlʌvzɪk/Definitions
1. adjective
feeling or showing a strong romantic or emotional attachment to someone, often with a sense of longing or yearning.
“After the breakup, he was lovesick for weeks, listening to their favorite songs.”
2. noun
a person who is lovesick, often in a pitiful or pitiable state.
“The lovesick teenager poured his heart out in a sad love song.”