1. With little or no preparation or forethought
   "a few unrehearsed comments"
   - ad-lib, extemporaneous, extemporary, extempore, impromptu, offhand, offhanded, off-the-cuff

See also: unprepared

• clock time
• clock tower
• clock up
• clock watcher
• clock-watching
• clocking
• clockmaker
• clocks
• clocksmith
• clockwise
• clockwise rotation
• clockwork
• clockwork universe
• clod
• cloddish
• clodhopper
• clodpoll
• clofibrate
• clog
• clog dance
• clog dancer
• clog dancing
• clog up
• clogged
• clogging