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

• welch
• welcher
• welcome
• welcome mat
• welcome wagon
• welcomer
• welcoming
• welcoming committee
• weld
• weldable
• welder
• welder's mask
• welding
• weldment
• welfare
• welfare case
• welfare state
• welfare work
• welfare worker
• welfare-statist
• welfarist
• welkin
• well
• well done
• well I never