In·del·i·ble a. [Formerly written also indeleble, which accords with the etymology of the word.]
1. 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.
2. That can not be annulled; indestructible. [R.]
They are endued with indelible power from above. --Sprat.
Indelible colors, fast colors which do not fade or tarnish by exposure.
Indelible ink, an ink not obliterated by washing; esp., a solution of silver nitrate.
Syn: -- Fixed; fast; permanent; ineffaceable.
-- In*del*i*ble*ness, n. -- In*del*i*bly, adv.
Indelibly stamped and impressed. --J. Ellis.
◄ ►
indelibly
adv : in an indelible manner; "this tradition has left its mark
indelibly upon the social, political, educational and
industrial fabric of this country"