ignorance

noun

ig·​no·​rance ˈig-n(ə-)rən(t)s 

: the state or fact of being ignorant : lack of knowledge, education, or awareness

Ignorance of the law is no excuse for violating it.

made decisions in ignorance of [=without knowing] the true situation

Synonyms of ignorance

• unfamiliarity
• innocence
• unawareness
• cluelessness
• nescience
• obliviousness

Examples of ignorance in a Sentence

His racist attitudes were born out of ignorance.

an appalling ignorance about other cultures

Recent Examples on the Web

In the interest of not having to rehash the now-familiar back and forth, Ibrahimović stated that Lalas’ criticism of the French squad’s lackadaisical first-half efforts was rooted in ignorance, this despite the fact that his beef should have been directed at match analyst Landon Donovan. — Anthony Crupi, Sportico.com, 24 June 2026

That ignorance has begun to erode. — Mark Guiducci, Vanity Fair, 23 June 2026

Like New Yorkers fighting over favorite neighborhoods, devoted readers often reproach one another for their ignorance of the real Colson Whitehead. — Julian Lucas, New Yorker, 22 June 2026

Keeping Americans in the darkness about the parts of our history that include systemic racism not only perpetuates ignorance, but is a moral failure. — Voice Of The People, New York Daily News, 19 June 2026

Word History

First Known Use

13th century, in the meaning defined above

Phrases Containing ignorance

• blissful ignorance
• ignorance is bliss
• plead ignorance
• tools of ignorance

Kids Definition

ignorance

noun

ig·​no·​rance ˈig-nə-rən(t)s 

: the state or fact of being ignorant : lack of knowledge, education, or awareness