Crossword Clue:

to make weak

AnswerCrossword Clue
DILUTEMake weak, as a drink
PASSReact to a weak hand
GROANResponse to a weak joke
GROANResponse to a weak joke, perhaps
MACERATECause to grow thin or weak
ALEA"Give Schweppes Ginger ... try!" (brilliant soda slogan I just made up) (this clue dedicated to the great Merl Reagle, the master of saving weak entries; RIP, Merl)