You ought to scan some website to know important and interesting news as often as you can, or you will be ignorant in the future.

If we have no information about the current affairs, we are ill informed.

I was conscious of my ignorance, and if Mrs. Strickland was a well-known writer I thought it as well to ascertain the fact before I spoke to her.

China has been changing so quickly and dramatically for so long that it challenges even people who live here to keep current and well-informed, let alone people who live and work far away.

Medical doctors can be ill-informed, incompetent morons. They are just people.