"Indelible" refers to something that cannot be erased or forgotten.
- "Memorable" means something that is easy to remember, but it does not necessarily mean it cannot be erased.
- "Stirring" means something that causes strong emotions.
- "Inerasable" means something that cannot be erased, which directly matches "indelible."
- "Lasting" refers to something that endures, but it does not always imply it cannot be erased. "Indelible" refers to something that cannot be removed or erased, making "inerasable" the most accurate synonym.