'Unaware' in the Bible

and as they were returning, after spending the full number of days, the boy Jesus stayed behind in Jerusalem. But His parents were unaware of it,

Woe to you! For you are like concealed tombs, and the people who walk over them are unaware of it.”

One of them, named Cleopas, answered and said to Him, “Are You the only one visiting Jerusalem and unaware of the things which have happened here in these days?”