- not plausible; not having the appearance of truth or credibility: an implausible alibi.
Origin of implausible
SynonymsSee more synonyms on Thesaurus.com
unlikely, improbable, unbelievable.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for implausible
It is very difficult to sit by helplessly while a friend is imprisoned for a crime that is too implausible to comprehend.Behind Bars for the Holidays: 11 Political Prisoners We Want to See Free In 2015
December 25, 2014
The allegation may or may not be true, but it is not implausible.In Jerusalem Home Demolitions, the Biblical Justice of Revenge
November 25, 2014
But it is implausible at best to suggest that nothing is better than something.Naomi Klein’s ‘This Changes Everything’ Will Change Nothing
November 17, 2014
A dark-skinned man and light-skinned woman stand among a crowd, clothed chimpanzees in each of their arms—an implausible family.Garry Winogrand’s American Hustle Comes To The Met
June 27, 2014
To establishment Republicans and Democrats, that sounds like an absurdly narrow and implausible vision.Why The Zombie Tea Party Won’t Stay Dead
October 24, 2013
Larry recognized that his statement had sounded most implausible.Children of the Whirlwind
Third, you print stories that give a weak and implausible scientific basis.
This was no implausible ground for imagining that his death had some other cause than the yellow fever.Ormond, Volume I (of 3)
Charles Brockden Brown
- not plausible; provoking disbelief; unlikely
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
Word Origin and History for implausible
Online Etymology Dictionary, © 2010 Douglas Harper