Meanings
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1
adj
impossible or very difficult to erase, wash away, or remove
Voters dipped a finger in indelible ink after casting their ballots.
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2
adj
impossible to forget or having a permanent influence
Her first sight of the ruined city left an indelible impression on her memory.
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3
adj
in Christian theology, permanently marking the soul and therefore incapable of being annulled
In that doctrine, ordination confers an indelible spiritual character.
Thesaurus
Etymology
From Latin indelebilis ("indestructible, imperishable"), formed from in- ("not") + delere ("to destroy, erase") + -bilis ("able"). Delete comes from the same Latin verb. The figurative sense extends a mark that cannot be erased to a memory or influence that cannot be removed.