Answer:

lovesick

AnswerCrossword Clue
LOVESICKFilled with amorous longing
LOVESICKMissing someone special
LOVESICK1983 Dudley Moore comedy
LOVESICKSmitten
LOVESICKLike a teen with a crush, perhaps
LOVESICKDescriptive of Juliet.
LOVESICKLanguishing, like the maidens in "Patience."
LOVESICKLanguishing, as a swain