What is the meaning of unbelievable?

adjective

  • Beyond belief or understanding.
    • usage: "at incredible speed"; "the book's plot is simply incredible"
  • Having a probability too low to inspire belief.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). unbelievable. Retrieved September 22, 2026, from http://smartdefine.org/unbelievable/definitions/1186143
ChicagoWordNet. 2010. "unbelievable" http://smartdefine.org/unbelievable/definitions/1186143 (accessed September 22, 2026).
HarvardWordNet 2010, unbelievable, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/unbelievable/definitions/1186143>.
MLAWordNet. "unbelievable" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/unbelievable/definitions/1186143>