memoryedge

noun
UK /ˈmɛməriɛdʒ/
US /ˈmɛməriɛdʒ/

The edge of your memory is the fuzzy line where you start to forget things.

I remember the song's tune, but the words are right at the memoryedge.


OTHER MEANINGS

2. The point at which a computer's stored data begins to become unreliable or lost.

The old hard drive reached its memoryedge and started losing files.

3. A boundary in a game or story where remembered events stop and new ones begin.

Crossing the memoryedge, the hero forgot his childhood.

4. The limit of how much a person can remember at one time.

After studying all night, she hit her memoryedge and couldn't learn more.