Impossible, or very difficult, to believe: How to use incredible in a sentence. 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. We got there with incredible speed. [it + be + ~ + that clause] it is incredible that we won the championship. Extremely good, great, or large Difficult or impossible to believe; Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Hard to believe; The meaning of incredible is too extraordinary and improbable to be believed. The books plot is incredible. It can also be used to describe something as exceptionally good or … Impossible, or very…. Definition of incredible adjective in oxford advanced learners dictionary. So extraordinary as to seem impossible: Impossible or hard to believe: Incredible refers to something that is hard to believe because it seems extremely extraordinary, improbable, or astonishing. Find 533 different ways to say incredible, along with antonyms, related words, and example sentences at thesaurus. com. · 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. In•cred•i•ble /ɪnˈkrɛdəbəl/ adj.