Definitions of up:

• verb:   raise

  Example: "Up the ante"

• adjective:   open

  Example: "The windows are up"

• adjective:   being or moving higher in position or greater in some value; being above a former position or level

  Example: "The anchor is up"

• adjective:   getting higher or more vigorous

  Example: "Its an up market"

• adverb:   spatially or metaphorically from a lower to a higher position

  Example: "Look up!"

• adverb:   to a later time

  Example: "They moved the meeting date up"

• adverb:   to a more central or a more northerly place

  Example: "Was transferred up to headquarters"

• adverb:   nearer to the speaker

  Example: "He walked up and grabbed my lapels"

• adverb:   to a higher intensity

  Example: "He turned up the volume"