adjective
that cannot be removed or erased
made an indelible impression on his hearers
Synonyms: ineffaceable, ineradicable, inerasable, inexpungible, inextirpable, uneradicable, unerasable
Related Word: indestructible, undestroyable; enduring, permanent
Contrasted words: effaceable, eradicable, erasable, removable; ephemeral, evanescent, passing, temporary, transitory
Antonyms: delible