Noun
total forgetfulness
Source: WordNethe sought the great oblivion of sleep Source: Internet
Her only weapons against the criminal element are her complete lack of street smarts, her obliviousness to what is actually happening and her trusty umbrella which she puts to good use when necessary. Source: Internet
I always start by assuming obliviousness over willful stupidity because there've been occasional times my eyes have glided over a sentence without registering it as addressing something I was all "why didn't they talk about this" over. Source: Internet