SOMETHING definition: some thing; a certain undetermined or unspecified thing. See examples of something used in a sentence. The meaning of SOMETHING is some indeterminate or unspecified thing. How to use something in a sentence. Something is a song by the English rock band the Beatles from their 1969 studio album Abbey Road. It was written by George Harrison, the band's lead guitarist. 1. an unspecified or unknown thing; some thing: he knows something you don't; take something warm with you. 2. an unspecified or unknown amount; bit: something less than a hundred. 3. an impressive or important person, thing, or event: isn't that something?. Something was the first Beatles song written by lead guitarist George Harrison to appear as an A-side, and the only song written by him to top the US charts while he was in the band. The single was also one of the first Beatles singles to contain tracks already available on an LP album. Something can be the indefinite pronoun to refer to a thing we do not know, or act as an adverb to modify an adjective. To learn more, follow the lesson. SOMETHING definition: 1. an object, situation, quality, or action that is not exactly known or stated: 2. a thing for…. Learn more. Playing from The Beatles - Something (Official Music Video) Mix Save Autoplay Add similar content to the end of the queue Synonyms for SOMETHING: object, entity, substance, reality, thing, being, individual, commodity; Antonyms of SOMETHING: nonentity, very, especially, extremely, particularly, highly, exceedingly, terribly The Beatles performing “Something.” Anthology Collection CD & vinyl box sets out now: .