Also found in: Thesaurus.


Capable of eliciting belief or trust. See Synonyms at plausible.

be·liev′a·bil′i·ty n.
be·liev′a·bly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


  1. As full of shit as a Christmas goose —American colloquialism
  2. Believable as a declaration of eternal love from a call girl —Elyse Sommer
  3. Believable as a forced confession —Anon
  4. Believable as the testimony of a proven perjurer —Anon
  5. Giving up credibility in a free society is like giving up force in a totalitarian society —Mario M. Cuomo, commenting on President’s Special Review Board findings on Reagan Administration’s involvement in Iran-Contra affair, New York Times, March 1, 1987
  6. It’s [my growing cold towards him] unbelievable … as if I had suddenly waked and found this lake dried up and sunk in the ground —Anton Chekhov

    The comparison from Chekhov’s play, The Sea Gull refers to the relationship between two of the characters, Nina and Trepleff.

  7. Like a man who dreams he sees a friend run on him sword in hand, felt not pain so much as a wild incredulity —Dorothy Canfield Fisher
  8. Shadowy and plausible as a ghost —W. D. Snodgrass
  9. Some circumstantial evidence is very strong, as when you find a trout in milk —Henry David Thoreau
  10. That this feeble, unintelligent old man was possessed of such power … seemed as impossible to believe as that he had once been a pink-and white baby —F. Scott Fitzgerald
  11. To tell a soldier defending his country that “This Is the War That Will End War” is exactly like telling a workman, naturally rather reluctant to do his day’s work, that “This Is the Work That Will End Work”—G. K. Chesterton

    See Also: ARMY

  12. Unimaginable as hate in heaven —John Milton

    The word ‘heaven’ has been modernized from ‘heav’n’ as it appeared in Paradise Lost.

  13. Unthinkable as an honest burglar —H. L. Mencken
  14. The whole idea was fantastic, like a polar bear in the Sahara desert —Ken Follett
Similes Dictionary, 1st Edition. © 1988 The Gale Group, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.believability - the quality of being believable or trustworthybelievability - the quality of being believable or trustworthy
quality - an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare
authenticity, genuineness, legitimacy - undisputed credibility
rigour, validity, cogency, rigor - the quality of being valid and rigorous
plausibility, plausibleness - apparent validity
cred, street cred, street credibility - credibility among young fashionable urban individuals
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
References in periodicals archive ?
Believability. The president of "unknown liberal arts college in the middle of Kansas" will likely not gather much of a forum on how the liberal arts are changing to respond to a more technological world.
Only in her attempt to bring all narrative voices together does she falter, sacrificing economy and believability in her effort to create a world as she generously wants it to be rather than as it is.
No significant difference was found in speech strength or believability. The report argues that although the data failed to show the child who received the training as being perceived more credible overall, he was seen as more capable of narrative.
To compile the Merwyn model, a trio of researchers input data for 77 factors, including benefits promised, superiority claims and believability reasons for each ad, the company claims are most predictive relative to retail scanner data.
Also jettisoned are the many songs that Tolkien's hobbits men and elyes sign to lighten the atmosphere and give context and believability to Tolkein's myth.
Barriers to program success particularly with regards to the perceived believability of the social norm messages are discussed.
The 'World of Good' message must be delivered with consistency in order for the story to gain awareness, understanding, and believability in the marketplace.
Implied endorsement can enhance your message with trust and believability. Where you reach the consumer is just as important as what you say.
Additionally, scenarios such as the Y2K glitch serve to enhance the believability of an apocalyptic scenario in the minds of those already predisposed to this belief.
Credibility is the believability of a person as measured by another person.
The survey found that about 40% of a company's reputation "can be attributed to the CEO," especially in such areas as customer focus, believability, and company direction.
Percussion comes off best, as we might expect, with some reasonably good resonance giving all of the instruments a touch of believability. And, by the way, when the audience comes in, as it does from the opening moment of the disc, it sounds like Dolby Surround, even in regular stereo.