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

• Stygian
• style
• style of architecture
• style sheet
• styleless
• stylemark
• styler
• stylet
• stylisation
• stylise
• stylised
• stylish
• stylishly
• stylishness
• stylist
• stylistic
• stylistically
• stylistics
• stylite
• stylization
• stylize
• stylized
• stylobate
• stylograph
• stylographic