1. (adj)up being or moving higher in position or greater in some value; beingabove a formerposition or level "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"
2. (adj)astir(p), up(p) out of bed "are they astir yet?"; "up by seven each morning"
3. (adj)improving, up getting higher or more vigorous "its an up market"; "an improving economy"
4. (adj)up(a), upward(a) extending or moving toward a higher place "the up staircase"; "a general upward movement of fish"
5. (adj)up(p) (usually followed by `on' or `for') in readiness "he was up on his homework"; "had to be up for the game"
10. (adverb)up, upwards, upward, upwardly spatially or metaphorically from a lower to a higher position "look up!"; "the music surged up"; "the fragments flew upwards"; "prices soared upwards"; "upwardly mobile"
11. (adverb)up to a higher intensity "he turned up the volume"
12. (adverb)up nearer to the speaker "he walked up and grabbed my lapels"
13. (adverb)up to a morecentral or a morenortherlyplace "was transferred up to headquarters"; "up to Canada for a vacation"
14. (adverb)up, upwards, upward to a later time "they moved the meeting date up"; "from childhood upward"
Definition of 'UP' 
