oblivious

That is the difference a few years’ span in age can make: one day you see the world as a child does, largely oblivious to its dangers.

An MP said the approach was "utterly unhinged and self-destructive," adding: "They're in the bunker shooting everyone who's outside the bunker guarding it. And poor oblivious Keir doesn't even realise he's in the bunker."

Or that they were seemingly oblivious to the fraud implicit in no-doc loans.

They also note that their superiors may be oblivious to the parallel conversations that are now a key part of meeting culture.

They were utterly obliterated by a Blue Jays squad that seemed completely oblivious to the idea that they were here to serve as spectators to the Dodgers’ inevitable coronation.