1. Retarded in intellectual development
   - backward, half-witted, feebleminded

See also: retarded, slow-wittedness

• Guiana Highlands
• guib
• Guibert of Ravenna
• guidable
• guidance
• guidance device
• guidance system
• guide
• guide dog
• guide fossil
• guide on
• guide rope
• guidebook
• guided
• Guided Bomb Unit-28
• guided missile
• guided missile cruiser
• guided missile destroyer
• guided missile frigate
• guideline
• guidepost
• guider
• guideword
• guiding
• guiding light