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

• regenerative
• regenerator
• regent
• regex
• reggae
• Reggane
• regicidal
• regicide
• regime
• regimen
• regiment
• shoddily
• shoddiness
• shoddy
• shoe
• shoe bomb
• shoe collar
• trochlear
• trochlear nerve
• trochlearis
• trochoid
• Trofim Denisovich Lysenko
• Trogium
• Trogium pulsatorium
• troglodyte