[ ɪn'dɛlɪb(ə)l ]
■ adjective
1》 (of ink or a mark) unable to be removed.
2》 unable to be forgotten.
Derivatives
indelibility noun
indelibly adverb
Origin
C15 (as indeleble ): from Fr., or from L. indelebilis , from in- 'not' + delebilis (from delere 'efface, delete').