|Origin:||, past participle of obliterare, from litera 'letter'|
to destroy something completely so that nothing remains:
Hiroshima was nearly obliterated by the atomic bomb.
to remove a thought, feeling, or memory from someone's mind:
Nothing could obliterate the memory of those tragic events.
to cover something completely so that it cannot be seen:
Then the fog came down, obliterating everything.
—obliteration noun [uncountable]