[ in-kred-uh-buhl ]
/ ɪnˈkrɛd ə bəl /


so extraordinary as to seem impossible: incredible speed.
not credible; hard to believe; unbelievable: The plot of the book is incredible.

Nearby words

  1. increase,
  2. increaser,
  3. increasing,
  4. increasingly,
  5. increate,
  6. incredulity,
  7. incredulous,
  8. increment,
  9. incremental,
  10. incremental plotter

Origin of incredible

First recorded in 1375–1425; late Middle English word from Latin word incrēdibilis. See in-3, credible

Related formsin·cred·i·bil·i·ty, in·cred·i·ble·ness, nounin·cred·i·bly, adverb

Can be confusedincredible incredulous Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for incredible

British Dictionary definitions for incredible


/ (ɪnˈkrɛdəbəl) /


beyond belief or understanding; unbelievable
informal marvellous; amazing
Derived Formsincredibility or incredibleness, nounincredibly, adverb

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 incredible



early 15c., "unbelievable," from Latin incredibilis "not to be believed," from in- "not" (see in- (1)) + credibilis "worthy of belief" (see credit). Used c.1400 in a now-extinct sense of "unbelieving, incredulous." Related: Incredibly.

Online Etymology Dictionary, © 2010 Douglas Harper