1. People collectively who are mentally retarded
   - mentally retarded, retarded

Type of: people

• arbalest
• arbalist
• arbiter
• arbitrable
• arbitrage
• arbitrager
• arbitrageur
• arbitral
• arbitrament
• arbitrarily
• arbitrariness
• arbitrary
• arbitrate
• arbitration
• arbitration clause
• arbitrational
• arbitrative
• arbitrator
• arbitrement
• arblast
• arbor
• Arbor Day
• arboraceous
• arborary
• arboreal