Related Clues:

• Fault
• Fall off the wagon again
• Degenerate
• Expire, as a subscription
• Senior moment, say
• One may precede a recall
• Short period of forgetfulness
• Small error
• ''A Momentary ___ of Reason'' (Pink Floyd)
• Patient's woe
• Mini-slip?
• Backslide of a sort
• Momentary goof
• Memory ___
• Cease to be clean, in a way