Related Clues:

• Makes acrimonious
• Sours
• Goes bad, as fruit
• War winnings
• Becomes rancid
• Victor’s get
• Languishes: slang
• Goes to the dogs
• Some whiskey drinks
• Goes bad, as milk
• Turns, in a way
• Turns to compost
• Pampers too much
• Plays the killjoy
• Stops liking, with 'on'