1. Lacking mental capacity and subtlety
   - simple, simple-minded

See also: retarded

• departure tax
• departure time
• depauperate
• depend
• depend on
• depend upon
• dependability
• dependable
• dependableness
• dependably
• dependance
• dependant
• dependant on
• dependant upon
• dependence
• dependency
• dependent
• dependent clause
• dependent on
• dependent upon
• dependent variable
• dependently
• depending on
• depersonalisation
• depersonalisation disorder