1. Having a mental age of three to seven years
   - imbecile, idiotic

See also: imbecile, retarded

• kerb crawler
• kerb crawling
• Kerbala
• Kerbela
• kerbside
• kerbstone
• kerchief
• Kerensky
• kerf
• kerfuffle
• kerion
• kermes
• kermes oak
• kern
• kernel
• kernicterus
• Kernig's sign
• kerning
• kernite
• kerosene
• kerosene heater
• kerosene lamp
• kerosine
• kerosine heater
• kerosine lamp