NO definition: 1. not any; not one; not a: 2. used in signs and on notices to show that something is not allowed…. Learn more. The meaning of NO is not. How to use no in a sentence. 1. not any, not a, or not one: there's no money left; no card in the file. 2. not by a long way; not at all: she's no youngster. 3. (followed by comparative adjectives and adverbs) not: no fewer than forty men; no more quickly than before. Search the world's information, including webpages, images, videos and more. Google has many special features to help you find exactly what you're looking for. Discover the word NO in English: definitions, translations, synonyms, pronunciations, examples, and grammar insights - all in one complete resource. Girl, all you gotta say is (Ooh) [Chorus] My name is no, my sign is no, my number is no, uh You need to let it go, uh You need to let it go, uh Need to let it go, uh Nah to the ah to the. No is an English word that has a negative meaning. It is the opposite of the word yes, which is a positive term. No is used when someone is turning away something. It is also used when opposing an idea. It can also be used in different figures of speech.