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 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. 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. 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” by Meghan Trainor Listen to Meghan Trainor: Watch more Meghan Trainor videos: . 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. Sign in to create & share playlists, get personalized recommendations, and more. 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. 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.