cred·​i·​bil·​i·​ty | \ˌkre-də-ˈbi-lə-tē \

Definition of credibility 

1 : the quality or power of inspiring belief an account lacking in credibility

2 : capacity for belief Her account exceeds credibility.

Examples of credibility in a Sentence

The new evidence lends credibility to their theory. The scandal undermined her credibility as an honest politician. In this instance, the lawyer's job is to make the jury doubt the witness's credibility.
See More

Recent Examples on the Web

That could be another reason for the Trump administration to wonder about the credibility of such a deterrent. The Economist, "What Donald Trump and Vladimir Putin ought to talk about in Helsinki," 12 July 2018 These developments, however, resulted from female victims having their credibility scrutinized on national television. Rhaina Cohen, The New Republic, "What the 1990s Got Wrong," 29 June 2018 Attorneys for the city and Rialmo have tried to cast doubt on the credibility of the medical and physical evidence discussed by the experts hired by the LeGrier family. Dan Hinkel,, "Father weeps as he recalls loss of son in 2015 police shooting: 'I still don't know what happened'," 21 June 2018 Since Thursday, experts in the law have been parsing the Justice Department’s action for its potential impacts on the politics of healthcare in America, on the cost of health coverage, and on the credibility of the department itself. Michael Hiltzik,, "Inside the Trump administration's assault on protections for people with preexisting medical conditions," 11 June 2018 Independent observers and journalists have also been barred from accessing the conflict area except on government escorted trips, further exacerbating doubts about the credibility of the government’s conclusion. Laignee Barron, Time, "Rohingya Insurgents Massacred Hindu Civilians in Myanmar, Amnesty International Reports," 23 May 2018 Last week, the United States launched an act of war against a sovereign government because failing to do so would have cast doubt on the credibility of the statements that Donald Trump makes while livetweeting Fox & Friends. Eric Levitz, Daily Intelligencer, "Officials Confirm That Trump Bombed Syria to Validate His Tweets," 18 Apr. 2018 Despite her credibility—and Kavanaugh’s highly emotional response to her allegations—the confirmation seemed likely to go through. Cady Drell, Marie Claire, "Two Survivors Confronted Jeff Flake in an Elevator With Their Stories of Assault," 28 Sep. 2018 To me, this front office should have a lot of credibility with fans. Sam Mellinger, kansascity, "Mellinger Minutes: Trump kicks the NFL, Chiefs fans are cocky (?) and Mahomes' endorsements," 5 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'credibility.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of credibility

1594, in the meaning defined at sense 1

History and Etymology for credibility

see credible

Keep scrolling for more

Learn More about credibility

Share credibility

Statistics for credibility

Last Updated

8 Dec 2018

Look-up Popularity

Time Traveler for credibility

The first known use of credibility was in 1594

See more words from the same year

Keep scrolling for more

More Definitions for credibility



English Language Learners Definition of credibility

: the quality of being believed or accepted as true, real, or honest

Keep scrolling for more

More from Merriam-Webster on credibility

Rhyming Dictionary: Words that rhyme with credibility

Spanish Central: Translation of credibility

Nglish: Translation of credibility for Spanish Speakers

Britannica English: Translation of credibility for Arabic Speakers

Comments on credibility

What made you want to look up credibility? Please tell us where you read or heard it (including the quote, if possible).


the figure or shape of a crescent moon

Get Word of the Day daily email!

Test Your Vocabulary

Late Autumn 2018 Words of the Day Quiz

  • frosted-autumn-leaves
  • Which is a synonym of yahoo?
True or False

Test your knowledge - and maybe learn something along the way.

Add Diction

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!