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. Let’s explore the origins and meaning of no. In English, the word no dates back to Middle English and means “not in any degree, not at all, not ever.” 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. A dance-pop song inspired by 1990s pop music and R&B, No has lyrics about sexual consent and empowerment, encouraging women to reject unwanted advances from men. Music critics praised No as a showcase of Trainor's confident and mature side and deemed it an improvement from her earlier songs. no. written abbreviation for number (Definition of no from the Cambridge Essential Dictionary © Cambridge University Press) “NO” by Meghan TrainorListen to Meghan Trainor: more Meghan Trainor videos: . 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. The meaning of NO is not. How to use no in a sentence. Sign in to create & share playlists, get personalized recommendations, and more. No is the ultimate negative: it means not any, or not at all, and it's also used to express a generally negative response. If there's no milk for your cereal in the morning, there's not a drop left.