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ignorance

American  
[ig-ner-uhns] / ˈɪg nər əns /

noun

  1. the state or fact of being ignorant; lack of knowledge, learning, information, etc.


ignorance British  
/ ˈɪɡnərəns /

noun

  1. lack of knowledge, information, or education; the state of being ignorant

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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Derived Forms

Etymology

Origin of ignorance

First recorded in 1175–1225; Middle English word from Latin word ignōrantia. See ignore, -ance

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Explanation

If you didn't do any of the reading or homework for your Russian history class, you are probably hoping the teacher won't call on you, so you can hide your ignorance, or lack of knowledge. The noun ignorance is not a synonym for "stupidity," since its meaning is closer to "being uninformed" than "being unintelligent." Ignorance implies that a person or group needs to be educated on a particular subject. You might have heard the phrase "ignorance is bliss," which means that sometimes it's easier when you don't know the whole truth about something and can be blissfully happy, unaware of unpleasant realities.

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Vocabulary lists containing ignorance

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In 1948 George Orwell identified “Newspeak” as an essential component of the totalitarian toolkit: “War is peace. Freedom is slavery. Ignorance is strength.”

From The Wall Street Journal • Dec. 15, 2025

Ignorance or mistake of law may be a defense in some limited circumstances.

From Slate • Nov. 24, 2025

The US rock band, formed in 2004, are best known for hits including Misery Business, Ignorance and The Only Exception.

From BBC • Jan. 5, 2024

Abrahams: Maybe we should have called the book "Ignorance is Bliss."

From Salon • Oct. 3, 2023

For, pounding down the mountainside, in a cloud of clinging dust and a chorus of chilling shrieks, came all the loathsome creatures who choose to live in Ignorance and who had waited so very impatiently.

From "The Phantom Tollbooth" by Norton Juster

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