1. Designed to activate or move or regulate itself
   "a self-activating sprinkler system"
   - self-acting, self-moving, self-regulating

See also: automatic

• strawworm
• strawy
• stray
• strayer
• straying
• streak
• streaked
• streaker
• streaky
• stream
• stream of consciousness
• stream orchid
• streambed
• streamer
• streamer fly
• streaming
• streaming audio
• streaming video
• streamlet
• streamline
• streamline flow
• streamlined
• streamliner
• streel
• Streep