What is up?

More definitions of "up":

• (adj): (usually followed by 'on' or 'for') in readiness.
  Example: "He was up on his homework"; "had to be up for the game"

• (adj): (used of computers) operating properly.
  Example: "How soon will the computers be up?"

• (adv): To a higher intensity.
  Example: "He turned up the volume"

• (adj): Being or moving higher in position or greater in some value; being above a former position or level.
  Example: "The anchor is up"; "the sun is up"; "he lay face up"; "he is up by a pawn"; "the market is up"; "the corn is up"

• (adv): Nearer to the speaker.
  Example: "He walked up and grabbed my lapels"

• (adj): Used up.
  Example: "Time is up"

• (adv): Spatially or metaphorically from a lower to a higher position.
  Example: "Look up!"; "the music surged up"
  Synonyms: upwards, upward, upwardly

• (verb): Raise.
  Example: "Up the ante"

• (adj): Extending or moving toward a higher place.
  Example: "The up staircase"
  Synonyms: upward

• (adj): Out of bed.
  Example: "Up by seven each morning"
  Synonyms: astir

• (adj): Getting higher or more vigorous.
  Example: "Its an up market"
  Synonyms: improving

• (adj): Open.
  Example: "The windows are up"

• (adv): To a more central or a more northerly place.
  Example: "Was transferred up to headquarters"; "up to Canada for a vacation"