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Synonyms

credibility

American  
[kred-uh-bil-i-tee] / ˌkrɛd əˈbɪl ɪ ti /
Sometimes credibleness

noun

  1. the quality of being believable or worthy of trust.

    After all those lies, his credibility was at a low ebb.
credibility British  
/ ˌkrɛdɪˈbɪlɪtɪ /

noun

  1. the quality of being believed or trusted

"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

Other Word Forms

  • noncredibility noun

Etymology

Origin of credibility

First recorded in 1570–80; from Late Latin crēdibilitās, equivalent to Latin crēdibili(s) credible ( def. ) + -tās -ty 2 ( def. )

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.

He undermines his credibility with remarks like that.

From Barron's • Apr. 7, 2026

It also can undermine the credibility of other asset values that are set using NAVs, where the pricing discrepancies might not be so obvious.

From The Wall Street Journal • Apr. 3, 2026

At one point near the play’s tragic climax, Willy is feverishly planting seeds in the backyard, but Elliott gives no credibility to any of his character’s actions.

From Los Angeles Times • Apr. 1, 2026

The botched rollout drew criticism, including from prominent blogger John Gruber, who said Apple “squandered” its credibility by advertising features it couldn’t properly deliver.

From MarketWatch • Mar. 31, 2026

This conferred instant credibility upon his preferred role as designated truth teller, poised to expose the chaotic reality beneath all uplifting accounts of the Revolution.

From "Founding Brothers: The Revolutionary Generation" by Joseph J. Ellis

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.