1. Mentally sluggish
   - lumpen, unthinking

See also: stupid

• life eternal
• life expectancy
• life force
• life form
• life history
• life imprisonment
• life insurance
• life jacket
• life mask
• life of Riley
• life office
• life peer
• life preserver
• life principle
• life raft
• life ring
• life science
• life scientist
• life sentence
• life story
• life tenant
• life vest
• life-and-death
• life-giving
• life-of-man