indelible
1. [ adjective ] cannot be removed, washed away or erased
Synonyms: unerasable
Examples:

"an indelible stain"

Related terms: ineradicable
Similar spelling:   indelibly
  intelligible
  indweller
  indelicate
  indwell
  intelligibly
  intellect
  indwelling
  Indelicato
  indelicacy