As a Noun: 1. The condition of not knowing about something, especially when it is known by other people or unexpected. English = unawareness, ignorance. 2. The state of not being aware or conscious of what is happening around you. English = oblivion. As a Verb or Adjective: 1. To not know about something, especially when it is unexpected or when others know about it. English = (be) unaware, (be) ignorant of, (be) oblivious to.