Languish is to grow weak or feeble.
Languish is a verb.
Synonyms: fail, hunger, decline, deteriorate, dwindle, weaken, wilt, wither, wane, waste, ebb, sicken.
Antonyms: bloom, thrive, prosper, flourish.
Mr.Sai's languid performance in the race left him in the last place.
Mr.Ravi languished for weeks after his disappointing failure in the examination.
Everyone expected to see her languishing for months after the bitter divorce, but she seemed to be thriving and celebrating her new life.