oblivious
adj.adj. not noticing what is happening around you. You use this when someone is completely unaware of a situation or a problem.
adj. lacking conscious awareness or mindful attention to one's surroundings or a specific situation. Often used predicatively after linking verbs like 'seem' or 'remain'.
He was oblivious to the rain and kept reading his book.
The driver seemed completely oblivious to the flashing lights in his rearview mirror until the siren started.
While the rest of the world reacted with shock to the news, the small village remained largely oblivious, cut off from modern communication by the storm.
From Middle English oblivious, from Latin oblīviōsus (“forgetful, oblivious”), formed from oblīvium (“forgetfulness, oblivion”) + -ōsus (“full of, overly, prone to”), from oblīvīscor (“to forget”).
Typically takes the preposition 'to' or 'of'.
oblivious about the dangeroblivious to the dangerOblivious is almost always followed by 'to' or 'of', not 'about'.