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

• hitting average
• Hittite
• HIV
• hive
• hive away
• hive off
• hive up
• hiver
• hives
• hiya
• Hizb ut-Tahrir
• Hizballah
• Hizbollah
• Hizbullah
• hl
• hm
• HMG-CoA reductase
• hmm
• HMO
• Hmong
• Hmong language
• HMS
• HMSO
• HN
• HND