This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. So deeply affected by love as to be unable to act normally.

adj. Exhibiting a lover's yearning.

adj. Behaving oddly, or as though in distress, due to being overcome by feelings of love.

adj. Having an aching desire for one's beloved.

"Some other translations, naturally, use the term lovesick instead."

unhappy   

languishing    lovelorn   

love-struck    lovestruck    moonstruck    love-starved    gangly