Dictionary
in•del•i•ble
Pronunciation: (in-del'u-bul), [key]—
adj.
1. making marks that cannot be erased, removed, or the like:
indelible ink.
2. that cannot be eliminated, forgotten, changed, or the like:
the indelible memories of war; the indelible influence of a great teacher. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.