1. Not bearing a date
   - dateless

See also: undatable

• extend to
• extendable
• extended
• extended care facility
• extended family
• extended order
• extended time scale
• extender
• extendible
• extensible
• extensile
• extension
• extension agent
• extension cord
• extension course
• extension ladder
• extension phone
• extension service
• extensional
• extensive
• extensively
• extensiveness
• extensometer
• extensor
• extensor muscle