An example of an ignoramus is someone who doesn't know their left from their right.
Other Word Forms
Origin of ignoramus
- From New Latin ignōrāmus a grand jury's endorsement upon a bill of indictment when evidence is deemed insufficient to send the case to a trial jury from Latin we do not know first person pl. present tense of ignōrāre to be ignorant ignore
From American Heritage Dictionary of the English Language, 5th Edition
- After the ignorant lawyer Ignoramus, the titular character in the 1615 play Ignoramus by the English playwright Georges Ruggle; from Latin ignōrāmus (“we do not know, we are ignorant of”), the first-person plural present active indicative of īgnōrō (“I do not know, I am unacquainted with, I am ignorant of”).
- Directly from Latin ignōrāmus (“we do not know”).