Definitionersomething

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.

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.

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).

A little; somewhat: She looks something like her mother.

Informal To an extreme degree: He drinks something fierce.

something else Informal One that is very special or quite remarkable: Her new film is something else.