fountain of youth noun
plural fountains of youth [count] 1 or Fountain of Youth in stories and legends : a fountain with magic water ◊According to legend, anyone who drinks water from the Fountain of Youth will live forever. 2 : a source of the kind of energy or health that young people usually have
▪ Exercise is good for you, but it's not a perfect fountain of youth.
▪ Exercise is good for you, but it's not a perfect fountain of youth.
