from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Difficult to believe; not plausible.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Not plausible; unlikely; dubious.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Not plausible; not wearing the appearance of truth or credibility, and not likely to be believed.

from The Century Dictionary and Cyclopedia

  • Not plausible; not having the appearance of truth or credibility; of dubious aspect.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. having a quality that provokes disbelief
  • adj. highly imaginative but unlikely


Sorry, no etymologies found.



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  • adjective: describing a statement that is not believable

    The teacher found it implausible that the student was late to school because he had been kidnapped by outlaws on horseback.

    October 19, 2016