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

See also: automatic

• Dufy
• dug
• Dugald Stewart
• dugong
• Dugong dugon
• Dugongidae
• dugout
• dugout canoe
• duh
• Dukas
• duke
• Duke Ellington
• Duke of Argyll's tea tree
• Duke of Cumberland
• Duke of Edinburgh
• Duke of Lancaster
• Duke of Marlborough
• Duke of Wellington
• Duke of Windsor
• Duke University
• Duke Wayne
• dukedom
• dulcet
• dulciana
• dulcify