1. With little or no preparation or forethought
   "trying to sound offhanded and reassuring"
   - ad-lib, extemporaneous, extemporary, extempore, impromptu, offhand, off-the-cuff, unrehearsed 
2. Casually thoughtless or inconsiderate
   - offhand

1. Without previous thought or preparation
   - offhand, offhandedly 
2. In a casually inconsiderate manner
   - offhand, offhandedly

See also: careless, unprepared

• brigantine
• Brigate Rosse
• Brigham Young
• bright
• bright as a new penny
• bright blue
• bright side
• bright spark
• Bright's disease
• bright-eyed
• bright-eyed and bushy-tailed
• bright-red
• brighten
• brightly
• brightly-colored
• brightly-coloured
• brightness
• brightness constancy
• brightness level
• Brighton
• brights
• Brigid
• Brigit
• Brigit Nilsson
• Brihaspati