not conscious of something, especially what is happening around you
I was late to school because I was oblivious of the time.
Lost in thought, she walked through the bustling city, oblivious to the noise around her.
The student was oblivious to the fact that the class had already started.
The distracted driver seemed oblivious to the traffic signals.
Engrossed in his book, he was oblivious to the passing time.
