unforgettable
//ˌʌnfəˈɡetəbl//
Adjective
unforgettableCanonical form
more unforgettableComparative
most unforgettableSuperlative
1
So memorable or remarkable that it is impossible to forget.
It was an unforgettable trip that I will treasure forever.
2
Making a lasting impression due to exceptional quality or significance.
The concert was an unforgettable experience that I will treasure forever.