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

Officials say ignorance leads to hate crimes and a misunderstanding of Islam persists. — Carolyn Gusoff, CBS News, 17 Aug. 2026

This assertion, irrelevant to his duties as mayor, reveals a deliberate ignorance of the facts. — Daniel Kolkey, Oc Register, 16 Aug. 2026

As traditionally understood, a movie purports to tell a story to an audience whose ideal state is one of relative ignorance. — Peter Tonguette, The Washington Examiner, 15 Aug. 2026

The age of the activists has drawn comments, even from government officials, that youth equates to naivety and ignorance. — ABC News, 6 Aug. 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