1. Out of bed
   "are they astir yet?"
   - up 
2. On the move
   "the whole town was astir over the incident"
   - about

See also: active, awake

• simile
• similitude
• simmer
• simmer down
• simmering
• simnel
• simoleon
• simoleons
• Simon
• Simon Bolivar
• Simon de Montfort
• Simon Kuznets
• Simon Legree
• Simon Marks
• Simon Newcomb
• Simon Peter
• Simon the Canaanite
• Simon the Zealot
• Simon Wiesenthal
• Simon Zelotes
• Simon-Pure
• Simone de Beauvoir
• Simone Weil
• simoniac
• Simonise