Definitions:

1. getting higher or more vigorous adjective
   • its an up market
2. nearer to the speaker adverb
   • They walked up, grabbed my lapels, and whispered the password to me.
3. open adjective
   • the windows are up
4. raise verb
   • up the ante
5. spatially or metaphorically from a lower to a higher position adverb
   • look up!
6. to a higher intensity adverb
   • The DJ turned up the volume.
7. to a later time adverb
   • they moved the meeting date up
8. to a more central or a more northerly place adverb
   • was transferred up to headquarters

Synonyms:

• astir
• improving
• prick
• upward
• upwards