Related Clues:

• ''A Momentary ___ of Reason'' (Pink Floyd)
• Momentary goof
• Memory ___
• Memory mishap
• Accidental gap
• Negligence
• Fall into disuse
• Memory failure, e.g.
• Senior moment
• Run out, as a policy
• Minor failing
• End, as a subscription
• Concentration problem
• Become invalid
• Mini-mistake