The meaning of INCREDIBLE is too extraordinary and improbable to be believed. How to use incredible in a sentence.

INCREDIBLE meaning: 1 : difficult or impossible to believe; 2 : extremely good, great, or large

1. so extraordinary as to seem impossible: incredible speed. 2. hard to believe; unbelievable: The book's plot is incredible.

If you describe something or someone as incredible, you like them very much or are impressed by them, because they are extremely or unusually good.

(Definition of incredible from the Cambridge Learner's Dictionary © Cambridge University Press)

Jan 20, 2026 · From Middle English incredible, from Latin incrēdibilis (“that cannot be believed”), from in- (“not”) + crēdibilis (“worthy of belief”), from crēdō (“believe”), equivalent to in- +‎ credible.

WordReference Random House Unabridged Dictionary of American English © 2025 in•cred•i•ble (in kred′ ə bəl), adj. so extraordinary as to seem impossible: incredible speed. not credible; …

Incredible refers to something that is hard to believe because it seems extremely extraordinary, improbable, or astonishing. It can also be used to describe something as exceptionally good or …

There are five meanings listed in OED's entry for the word incredible, one of which is labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Incredible definition: So implausible as to elicit disbelief; unbelievable.