1. Lacking in schooling
   "an untutored genius"
   - unschooled, untaught

See also: uneducated

• headcase
• headcheese
• headcount
• headcounter
• headdress
• headed
• header
• headfast
• headfirst
• headfish
• headful
• headgear
• headhunt
• headhunter
• headily
• headiness
• heading
• headlamp
• headland
• headless
• headlight
• headlike
• headline
• headliner
• headlinese