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

See also: extemporarily, unprepared

• stair-carpet
• stair-rod
• staircase
• stairhead
• stairs
• stairway
• stairwell
• stake
• stake driver
• stake race
• stakeholder
• stakeholder society
• stakeout
• stakes
• stakes race
• stalactite
• stalag
• stalagmite
• stale
• stalemate
• stalemated
• staleness
• Stalin
• Stalin Peak
• Stalinabad