[ 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.

Origin of incredible

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

Related forms

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

Can be confused

incredible incredulous Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for incredibly

British Dictionary definitions for incredibly


/ (ɪnˈkrɛdəbəl) /


beyond belief or understanding; unbelievable
informal marvellous; amazing

Derived Forms

incredibility 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