obliteration

noun

1 the complete and intentional obliteration of a will or any part of it:

eradication, erasing, erasure, effacing, rubbing out, blotting out, wiping out, removal, expunging, effacement, blanking out, blocking out, deletion, striking out, cancellation, crossing out, inking out, scoring out;

rare expunction, expungement.

2 pressure from environmentalists has saved one of the country's national parks from obliteration:

destruction, wiping out, annihilation, extermination, extirpation, elimination, eradication, killing, decimation, liquidation, demolition;

informal zapping.

obliteration Oxford Dictionary of English