1. Lasting a thousand years: pertaining to the millennium.

2. One who believes in the millennium.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• nillenarian,
• killenarian,
• jillenarian,
• mullenarian,
• mjllenarian,
• mkllenarian,
• mollenarian,
• m9llenarian,
• m8llenarian,
• miklenarian,
• miplenarian,
• miolenarian,
• milkenarian,
• milpenarian,
• miloenarian,
• millwnarian,
• millsnarian,
• milldnarian,
• millenarism,
• millenarion

• Millener,
• milliner,
• millionaire,
• millihenry,
• millionairess,
• millenarist,
• millinery,
• millenary,
• millenarianism.

The adjective form of the word "millenarian" is "millenarian".

The plural of the "millenarian" can be the "millenarians".

The singular of the "millenarian" can be the "millenarian".