This is the 13637th most frequent Russian word.
неизгладимое
Indelible; unforgettable; permanent.
Here, 'неизгладимое' describes the impression ('впечатление') as being profound and impossible to erase, emphasizing its lasting impact.
Эта картина оставила неизгладимое впечатление на зрителей.
This painting left an indelible impression on the viewers.
In this case, 'неизгладимое' characterizes the memory ('воспоминание') as permanent and unforgettable, highlighting its significance in an emotional context.
В его душе сохранилось неизгладимое воспоминание о тех днях.
An indelible memory of those days remained in his soul.
Here, 'неизгладимое' again modifies 'впечатление,' stressing that the impression was enduring and significant, influencing him deeply.