indefinable /in-di-fīˈnə-bl/

1. That cannot be defined
2. Hard to identify or describe

• north-westerly
• north-western
• north-westward
• north-westwardly
• north-westwards
• Norueyses
• Norwalk virus
• Norwalk viruses
• nor'ward
• norward
• Norway
• Norway haddock
• Norway lobster
• Norway maple
• Norway maples
• Norway pine
• Norway rat
• Norway rats
• Norway saltpetre
• Norway spruce
• Norway spruces
• Norwegian
• Norwegian nest
• Norwegian oven
• nor'-west