1. Without previous thought or preparation
   "she had made these remarks offhandedly"
   - offhand, offhanded 
2. In a casually inconsiderate manner
   "she threw him over offhandedly without even a Dear-John letter"
   - offhand, offhanded

See also: offhanded

• lunacy
• lunar
• lunar calendar
• lunar caustic
• lunar crater
• lunar day
• lunar eclipse
• lunar excursion module
• lunar latitude
• lunar module
• lunar month
• lunar time period
• lunar year
• Lunaria
• Lunaria annua
• lunate
• lunate bone
• revenue
• revenue bond
• revenue enhancement
• revenue sharing
• revenue stamp
• revenue tariff
• revenuer
• reverb