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

Macca shot back as Poehler feigned ignorance and let out a laugh. — Gil Kaufman, Billboard, 13 Oct. 2026

This kind of ignorance also protected us, to a certain extent. — Baptiste Mandrillon, Time, 7 Oct. 2026

Trump’s claim that the supply of Venezuelan oil will bring gas prices down is a macedoine of aspiration and ignorance. — Business Columnist, Los Angeles Times, 6 Oct. 2026

Despite the claims of any number of charlatans who prey on the American brand of cuddly benighted ignorance, the universe will not manifest an alternate reality for anyone who simply wishes for it with sufficient longing. — Anthony Crupi, Sportico.com, 2 Oct. 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