something UK [ˈsɐm(p)θɪŋ]US [ˈsʌm(p)θɪŋ]pronoun 4adverb 2noun 2adjective 1verb 1forms 3 pronoun4 •an object, an event or an idea when you do not know or do not say what it isI must have forgotten to pack something, but I can't think what.I have something for you in my bag. •A quality to a moderate degree.The performance was something of a disappointment.That child is something of a genius. •(informal) Somebody who or something that is superlative or notable in some way.He's really something! I've never heard such a great voice.She's quite something. I can't believe she would do such a mean thing. •(informal) A talent or quality that is difficult to specify.She has a certain something. adverb2 •Somewhat; to a degree.The baby looks something like his father. •(informal) Used to adverbialise a following adjectiveI miss them something terrible/rotten. (I miss them terribly) noun2 •An object whose nature is yet to be defined.Yea, ’t is true; I ’d know thee by thine eyen, that are gray, and thoughtful, and dark with a something that lies behind the colour of them,—and shining by the light of a lamp lit somewhere within. — 1903 •An object whose name is forgotten by, unknown or unimportant to the user, e.g., from words of a song. Also used to refer to an object earlier indefinitely referred to as 'something' (pronoun sense).What was the something the pilot saw, the something worth killing for? — 1999 adjective1 •Having a characteristic that the speaker cannot specify.She was so something that she cried all the way home. — 1965 verb1 •(informal) Designates an action whose name is forgotten by, unknown or unimportant to the user, e.g. from words of a song.He didn’t apply for it for a long time, and then there was a hitch about it, and it was somethinged—vetoed, I believe she said. — 1890 formssomethinged · somethinging · somethings