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. Used to disagree or refuse; to say something different from what the other person said. No, I do not fish. No, I still have some things to do first. Used to agree with the negative side of a negative question. Isn't the door locked? No, the door is not locked. We can go in. The meaning of NO is not. How to use no in a sentence. 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” by Meghan Trainor Listen to Meghan Trainor: Watch more Meghan Trainor videos: . 🎧 Meghan Trainor - NO (Lyrics)💖 Support Me on Patreon Suggest a song: Turn on notifications to stay updat. NO meaning: 1. not any; not one; not a: 2. used in signs and on notices to show that something is not allowed…. Learn more. 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. 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. (used to express dissent, disagreement, denial, or refusal, as in response to a question or request, or in giving a command): Can we leave now?''— No, stay here.''.