Related Clues:

• Calls it a career
• Withdraws
• Quits working
• Turns in
• Stops using
• Submits
• Calls it quits
• Goes out of business?
• Stops working
• Withdraws from active service
• Calls it a day
• Adjusts, as laces
• Leaves the rat race
• Heads for bed
• Hits the hay