Unforgotten (adjective)

Not having been forgotten or still remembered.

Origin:

The word "unforgotten" is derived from the word "un" and "forgotten" which means not having been forgotten or still remembered.

Examples:

1. The memories of that day were unforgotten.
2. He had an unforgotten love for his childhood home.
3. The incident was unforgotten by the villagers.
4. She had an unforgotten grudge against her ex-boyfriend.
5. The sacrifice of the soldiers will remain unforgotten.