1. Impossible to deny or disprove
   "an irrefutable argument"
   - incontrovertible, positive

See also: undeniable

• nubby
• Nubia
• Nubian
• Nubian Desert
• nubile
• nubility
• nucellus
• nucha
• nuchal
• Nucifraga
• Nucifraga caryocatactes
• Nucifraga columbiana
• nuclear
• nuclear cataract
• nuclear chemist
• nuclear chemistry
• nuclear club
• nuclear deterrence
• nuclear energy
• nuclear engineering
• nuclear explosion
• nuclear family
• nuclear fission
• nuclear fuel
• nuclear fusion