Vision definition: the act or power of sensing with the eyes; sight.. See examples of VISION used in a sentence. Learn the various meanings and uses of the word vision, from sight and imagination to prophecy and beauty. See examples, synonyms, pronunciation and word origin of vision. Learn the meaning of vision as a noun in English, with different senses and usage. Find synonyms, antonyms, related words, and translations of vision in various languages. VISION definition: 1. an idea or image in your mind of what something could be like in the future: 2. the ability to…. Learn more.