Definition of "Up" :

verb: raise

"Up the ante."

adjective: out of bed

"Up by seven each morning."

adjective: used up

"Time is up."

adjective: (used of computers) operating properly

"How soon will the computers be up?."

adjective: open

"The windows are up."

adjective: (usually followed by on' or for') in readiness

"He was up on his homework."

adjective: extending or moving toward a higher place

"The up staircase."

adjective: getting higher or more vigorous

"Its an up market."

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

"The anchor is up."

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

"Look up!."

adverb: to a later time

"They moved the meeting date up."

adverb: to a more central or a more northerly place

"Was transferred up to headquarters."

adverb: nearer to the speaker

"He walked up and grabbed my lapels."

adverb: to a higher intensity

"He turned up the volume."