Possible Clues:

• ''.... not, want not''
• Refuse a stew badly prepared
• Refuse - to get thin
• Not use effectively
• Uncultivated area? Rubbish
• Squander; spoil
• ` ` ..... not, want not' '
• Become gradually weaker
• Here was the start of the drain
• Not save around the middle, by the sound of it