indelible

/ษชnหˆdษ›lษ™bl/

IPA: /IH0 N D EH1 L IH0 B AH0 L/

adjective
  1. 1

    Having the quality of being difficult to delete, remove, wash away, blot out, or efface.

    โ€œThis ink spot on the contract is indelible.โ€

  2. 2

    Incapable of being canceled, lost, or forgotten.

    โ€œThat horrible story just might make an indelible impression on the memory.โ€

  3. 3

    Incapable of being annulled.

Source: https://en.wiktionary.org/wiki/indelible