indelible

(adjective)

adjective

1. cannot be removed or erased

- an indelible stain

- indelible memories

Similar word(s): ineradicable, unerasable

Sentences with indelible as an adjective:

- This ink spot on the contract is indelible.

- This stain on my shirt is indelible.

- That horrible story just might make an indelible impression on the memory.