1. Of or relating to a geological eon (longer than an era)
   - eonian [N. Amer] 
2. Continuing forever or indefinitely
   - ageless, eonian [N. Amer], eternal, everlasting, perpetual, unending, unceasing

See also: aeon, lasting, permanent

• Huang Hai
• Huang He
• huarache
• huaraches
• Huascaran
• Huayna Capac
• hub
• Hub of the Universe
• NCDC
• Nd
• Ndebele
• NDP
• ne plus ultra
• ne'er
• ne'er-do-well
• neandertal
• Neandertal man
• neanderthal
• Neanderthal man
• Neanderthalian
• neap
• neap tide
• Neapolitan
• Neapolitan ice cream
• near