1. ignorance - Noun
2. Ignorance - Proper noun
The condition of being ignorant; the want of knowledge in general, or in relation to a particular subject; the state of being uneducated or uninformed.
A willful neglect or refusal to acquire knowledge which one may acquire and it is his duty to have.
Source: Webster's dictionaryThere is nothing more frightful than ignorance in action. Johann Wolfgang von Goethe
The secret of liberty is to enlighten men, as that of tyranny is to keep them in ignorance. Maximilien Robespierre
He said that there was one only good, namely, knowledge; and one only evil, namely, ignorance. Socrates
Where ignorance is bliss, 'tis folly to be wise. English Proverb
Ignorance of the law does not excuse. Latin Proverb
Ignorance is blindness. Somali Proverb