millenary

As adjectives the difference between millenary and undefined

is that millenary is of or pertaining to a thousand, especially to a thousand years while undefined is lacking a definition or value.

As adjectives the difference between millennial and millenary

is that millennial is referring to the 1,000th anniversary of an event or happening: millennial fair while millenary is of or pertaining to a thousand, especially to a thousand years.

As a noun millennial

is a person from the generation which grew up in the 1990s and 2000s.

As a noun terms

is .

As an adjective millenary is

of or pertaining to a thousand, especially to a thousand years.

As adjectives the difference between millenarian and millenary

is that millenarian is pertaining to the belief in an impending period of one thousand years of peace and righteousness associated with the Second Coming of Christ while millenary is of or pertaining to a thousand, especially to a thousand years.

As a noun millenarian

is a person who believes in an apocalyptic millennium, an Adventist.

As a noun millennium

is a period of time consisting of one thousand years.

As an adjective millenary is

of or pertaining to a thousand, especially to a thousand years.

As a numeral thousand

is (cardinal) a numerical value equal to = 10 × 100 = 10³.

As an adjective millenary is

of or pertaining to a thousand, especially to a thousand years.