so much

1. In that degree; to that extent. Used with the comparative form of adjectives: If she wins the award, so much the better for the team.
2. In such a degree; to such an extent: The ideas of the candidates are so much alike that he could see no difference between them.

1. So great in quantity, degree, or extent: There's been so much rain the crops are rotting in the fields.
2. Equivalent or equal in quantity, degree, or extent: The report sounded like so much baloney.

1. An unspecified amount or degree: charged so much a yard.
2. Everything that can be said or done. Used to summarize or dismiss something: So much for the real story behind this sensational trial.

An unspecified amount or cost, as in They price the fabric at so much per yard. [Late 1300s] Also see as much as; so much for; so much the.

The adjective has one meaning:

Meaning #1: of so extreme a degree or extent
  Synonym: such