I will call it ignorance to the third degree. Let me give an example of it from someone with whom my interlocutor would never suspect he could be compared.

Some etymologists trace the phrase "The Third Degree" back to Freemasonry, but by the early 20th century, the term had become firmly associated with something entirely different: harsh police ...

Changes to jury instructions on what constitutes third-degree murder is opening the door to stiffer penalties for dangerous ...

Third-degree heart block is the most serious of the three types of heart block. It's often triggered by a heart attack but can also have other causes.