unerasable

/ˌʌnɪˈreɪsəbəl/
adjective
  1. Impossible to erase, remove, or delete; permanent.
    • The memory of that day left an unerasable mark on her heart.
    • Digital photos are stored in a way that makes them nearly unerasable from the cloud.
    • The ink from the permanent marker was unerasable on the whiteboard.
Antonyms
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