unchartˈed adjective (lit and figurative)

1. Not mapped in detail
2. Not shown in a chart
3. Not yet examined, investigated or visited

• penetrating
• penetratingly
• penetration
• penetration agent
• penetration agents
• penetrations
• penetrative
• penetratively
• penetrativeness
• penetrativenesses
• penetrator
• penetrators
• penetrometer
• penetrometers
• pen-feather
• pen-feathered
• pen-feathers
• penfold
• penfolds
• pen friend
• pen friends
• penful
• penfuls
• penguin
• penguineries