Ignorance means not knowing or being unaware of something. It can refer to a lack of knowledge, information, or understanding about a particular subject or concept. Full definition
But at that time the modern concepts of relative motion were in nobody's mind; so that the statements were made in ignorance of the qualifications required for their more perfect truth. (religion-online.org)
Unfortunately, they have no problem pinning their hatred out of ignorance on others. (religion.blogs.cnn.com)
When I first started out, I really suffered from ignorance of what to eat and not to eat. (bodyketosis.com)