indefinable /in-di-fīˈnə-bl/

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

• Normans
• normas
• normative
• normatively
• normativeness
• normativenesses
• normotensive
• norm-referenced
• norm-referencing
• norms
• Norn
• Norna
• norovirus
• noroviruses
• Norroy
• Norroy and Ulster
• Norse
• norsel
• norselled
• norseller
• norsellers
• norselling
• norsels
• Norseman
• norteña