An undetermined or unspecified thing: "We're all recalling something, furtively seeking something"(Virginia Woolf).
An unspecified or undetermined amount or extent: We know something about the early settlers in this area.
One having some or many of the same attributes, character, or essence as another: Trying to fix the computer myself was something of a mistake.
n.
A remarkable or important thing or person: He thinks he is something in that uniform.
One who falls into a specified age range. Often used in combination: fortysomethings who attended their class reunion.
adj. Of, relating to, or being a member of a specified age range. Often used in combination: "the lives and loves of hip, twentysomething city dwellers"(Joseph P. Kahn). adv.
A little; somewhat: She looks something like her mother.
Informal To an extreme degree: He drinks something fierce.
A person, thing, or event that is quite remarkable, as in That pitcher is something else, or Her new film is something else. The else in this idiom means "other than ordinary." [Colloquial; early 1990s]