Learn how to say Obliviousness correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word oblivion:
1the state of being unaware or unconscious of what is happening around one:
they drank themselves into oblivion
the state of being forgotten, especially by the public:
his name will fade into oblivion
destruction or extinction:
only our armed forces stood between us and oblivion
2 Law, historical amnesty or pardon.
late Middle English: via Old French from Latin oblivio(n-), from oblivisci ‘forget’