listen to the pronunciation of indelible
Englisch - Englisch
incapable of being canceled, lost, or forgotten

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

having the quality of being difficult to remove, wash away, blot out, or efface
incapable of being annulled
that can not be blotted out, effaced, destroyed, or removed
That can not be removed, washed away, blotted out, or effaced; incapable of being canceled, lost, or forgotten; as, indelible characters; an indelible stain; an indelible impression on the memory
{s} unerasable, unremovable, cannot be easily erased, permanent
cannot be removed, washed away or erased; "an indelible stain
If you say that something leaves an indelible impression, you mean that it is very unlikely to be forgotten. My visit to India in 1986 left an indelible impression on me + indelibly in·del·ibly The horrors he experienced are imprinted, perhaps indelibly, in his brain
cannot be removed, washed away or erased; "an indelible stain"
That can not be annulled; indestructible
indelible impression
strong impression, lasting impact
indelible ink
ink that cannot be erased or washed away
indelible pencil
special pencil which cannot be erased from a writing surface
indelible stain
stain that cannot be removed, permanent stain
Either an insertion or deletion mutation in the genetic code
{a} not to be effaced or blotted out
(Tıp, İlaç) The word indel is a portmanteau of insertion or deletion, referring to the two types of genetic mutation that are often considered together because of their similar effect and the inability to distinguish between them in a comparison of two sequences
In an indelible manner
in an indelible manner; "this tradition has left its mark indelibly upon the social, political, educational and industrial fabric of this country
in a way that cannot be erased, permanently