unbelief
Americannoun
noun
Etymology
Origin of unbelief
Explanation
You can use the noun unbelief to talk about a lack of belief in something, like your unbelief, since childhood, in fairies. When someone doesn't believe in something, that person has an unbelief. Most often, the term unbelief is used to talk specifically about religion. An atheist is characterized by her unbelief in a god or higher power beyond things that can be scientifically proven. Another word for unbelief is disbelief.
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.
The cultural chasm between Europeans and Africans presented obstacles to conversion, and a long legacy of church practice forbidding the enslavement of fellow Christians provided grounds to leave slaves in unbelief.
From The Wall Street Journal ● Jun. 19, 2026
As I saw Damar Hamlin collapse on the field and sat in unbelief hearing the words CPR and unresponsive, I just cried.
From Los Angeles Times ● Jan. 7, 2023
Whatever world-changing power we might seek, whatever influence we might hope to wield, starts with the ancient prayer: Lord, I believe; help my unbelief.
From New York Times ● Dec. 18, 2021
It is also a refreshing look beyond the so-called “new atheists” who have lately dominated the conversation surrounding unbelief.
From The New Yorker ● Oct. 22, 2018
They were still looking at him with consternation and unbelief when the minister rose and introduced him in rich, rolling tones whose very unction served to increase the visitor's insignificance.
From "The Sound and the Fury" by William Faulkner
![]()
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.