1. Mentally sluggish
   - lumpen, unthinking

See also: stupid

• stabile
• stabilisation
• stabilise
• stabilised
• stabiliser
• stabilising
• stability
• stabilization
• stabilize
• stabilized
• stabilizer
• stabilizer bar
• stabilizing
• stable
• stable companion
• stable factor
• stable gear
• stableboy
• stableman
• stablemate
• stableness
• stabling
• stablish
• stably
• Stabroek