some·thing 
(sŭmthĭng)
(sŭmthĭng)pron.
1. An undetermined or unspecified thing: Is something wrong? Did you buy her something for her birthday?
2. An unspecified or undetermined amount or extent: We know something about the early settlers in this area.
3. 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.
1. A remarkable or important thing or person: He thinks he is something in that uniform.
2. 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.
Idiom: 1. A little; somewhat: She looks something like her mother.
2. 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.