un·for·get·ta·ble 
/ˌʌnfɚˈgɛtəbəl/ adjective
/ˌʌnfɚˈgɛtəbəl/ adjective [more unforgettable; most unforgettable] : very special, unusual, beautiful, etc., and therefore difficult or impossible to forget
▪ It was an unforgettable [=memorable] experience/night.
▪ It was an unforgettable [=memorable] experience/night.
— un·for·get·ta·bly /ˌʌnfɚˈgɛtəbli/ adverb
/ˌʌnfɚˈgɛtəbli/ adverb
