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English definition of “something”

something

pronoun uk   /ˈsʌm.θɪŋ/ us  
A1 an object, situation, quality, or action that is not exactly known or stated: There's something sharp in my shoe. Something in the cupboard smells odd. We thought there was something wrong because we hadn't heard from you. There's something wrong with the engine - it's making strange noises. Something's happened to upset him but we don't know what it is. I heard something rather worrying at work this morning. Is there something you'd like to say? Don't just stand there, do something. There's just something odd about him. Note: Something is not usually used in negatives and questions. a thing for which you are grateful, especially because an unpleasant thing has also happened: We were given five hundred pounds in compensation which isn't much but at least it's something.
(Definition of something pronoun from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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