Related Clues:

• Allow to happen
• Admit, with ''on''
• -- it slide
• Bad service
• Net grazer
• Divulge, with ''out''
• Grant permission to
• Cut back?
• U.S. Open do-over
• ___ by (allow to pass)
• Dropped service?
• Stop, with 'up'
• Word with "up," "out," or "down"
• ___ slip
• Disappoint (with "down")