adj.
1.being or moving higher in position or greater in some value
2.getting higher or more vigorous
3.extending or moving toward a higher place
4.(usually followed by `on' or `for') in readiness
5.open
6.(used of computers) operating properly
7.used up
8.out of bed up adv.
1.spatially or metaphorically from a lower to a higher position
2.to a higher intensity
3.nearer to the speaker
4.to a more central or a more northerly place
5.to a later time up v.
1.raise