up

adverb:in a direction towards a higher position
- She looked up at the stars.
adverb:in or into a vertical or upright position
- Please stand up when the judge enters.
verb:to increase in level, amount, or intensity
- The company decided to up its prices.
noun:a period of good fortune or success
- He has had more ups than downs in his career.
adjective:directed or moving towards a higher place
- Take the up escalator to the second floor.
adjective:awake or out of sleep
- I was up early to catch the sunrise.
adjective:excited, enthusiastic, or in a lively mood
- The crowd was really up for the concert.
adjective:used to indicate that something is finished or completed
- Time is up, please stop writing.
adjective:in an active or functioning state
- The computer is finally up and running.