ineffaceable

[ in-i-fey-suh-buh l ]

/ ˌɪn ɪˈfeɪ sə bəl /

not effaceable or eradicable; indelible: an ineffaceable impression.

Origin of ineffaceable

First recorded in 1795–1805; in-³ + effaceable

in·ef·face·a·bil·i·ty, noun in·ef·face·a·bly, adverb

These three dens which we entered were enough to make an ineffaceable impression on the mind of one traveller.

Drugging a Nation |Samuel Merwin
We cannot admit that, to justify the practice of marking a man's shoulders with the ineffaceable stripes of disgrace.

Blackwood's Edinburgh Magazine, Volume 60, No. 370, August 1846 |Various
I am very glad to have left Rome under this ineffaceable impression.

The Life & Letters of Peter Ilich Tchaikovsky |Modeste Tchaikovsky
“Sic transit gloria mundi” came last, and left an ineffaceable impression.

Recollections of a Long Life |John Stoughton

For is p. 199it not more clear than day that we feel in ourselves the ineffaceable traces of divine excellence?

Pascal |John Tulloch

ineffaceable

/ (ˌɪnɪˈfeɪsəbəl) /

incapable of being effaced; indelible

ineffaceability, noun ineffaceably, adverb