Coincident refers to two or more things occurring at the same time or place, while coincidence refers to such an occurrence, especially when it seems accidental or unexpected. ' Coincidence ' in a sentence: It was no coincidence that he quit his job at the bank a day after the robbery. Learn the meaning of coincidence as an occasion when two or more similar things happen at the same time, especially in a way that is unlikely and surprising. Find out how to use coincidence in a sentence, with synonyms, antonyms and related words. Master the word " COINCIDENCE " in English: definitions, translations, synonyms, pronunciations, examples, and grammar insights - all in one complete resource.