unteachˈable adjective

1. Not capable of being instructed
2. That cannot be imparted by teaching

• lifebuoys
• life class
• life classes
• life coach
• life coaches
• life cycle
• life cycles
• life-estate
• lumberjacket
• lumberjacks
• lumberly
• lumberman
• lumbermen
• lumber-mill
• lumber-mills
• lumber-pie
• lumber-pies
• lumber room
• lumber rooms
• lumbers
• lumbersome
• lumbersomeness
• lumbersomenesses
• lumber-yard
• lumber-yards