What does it mean to be ignorant?

What does it mean to be ignorant?
adjective. lacking in knowledge or training; unlearned: an ignorant man. lacking knowledge or information as to a particular subject or fact: ignorant of quantum physics. uninformed; unaware. due to or showing lack of knowledge or training: an ignorant statement.

Reference:
Ignorant | Definition of Ignorant at Dictionary
Aug 7, 2019

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