Answer: languish

AnswerCrossword Clue
LANGUISHConcern about being able to communicate in a foreign country?
LANGUISHSuffer neglect
LANGUISHBecome weak
LANGUISHLydia ..., heroine of "The Rivals."
LANGUISHLose intensity.
LANGUISHFlag
LANGUISHPine
languishto long; pine
languishto be or become weak
languishto lose vitality