A brief moment of forgetting something that one is usually familiar with or remembers well, often occurring unexpectedly.

The experience of having a piece of information elude one's memory temporarily, leading to a feeling of frustration or confusion.

The act of unintentionally failing to recall something important or essential, resulting in a mental block or lapse of awareness.

A sudden, fleeting inability to bring to mind a fact, idea, or name that is known, often happening in casual conversation or situations of stress.