falsememory

noun
UK /ˌfɔːls ˈmeməri/
US /ˌfɔːls ˈmeməri/

A false memory is when you remember something that did not really happen.

She had a false memory of winning the race, but her friend said she came in last.


OTHER MEANINGS

2. A memory that has been changed by things people said later.

After hearing the story many times, he had a false memory of the trip.

3. A strong feeling that something happened when it never did.

The witness's false memory made the case confusing.

4. A made-up memory created by the mind to fill a gap.

Her false memory of a pet dog filled a lonely part of her childhood.