Meaning & use

millennium

noun·Academic

Last updated

UK/mɪˈleniəm/
US/mɪˈleniəm/

Meanings

  1. nouncountable

    A period of one thousand years.

    Grammar: Countable; the plural is 'millennia' or 'millenniums'.

    Patterns

    • a millennium of something
    • over several millennia
    • the first millennium

    The temple has stood for more than a millennium.

    These customs have been passed down for millennia.

    The first millennium began with the birth of Christ.

  2. nounsingular

    The point in time when one thousand-year period ends and the next begins.

    Grammar: Often used with 'the' and a date, as in 'the millennium'.

    Patterns

    • the turn of the millennium
    • celebrate the millennium

    Many people celebrated the new millennium in 2000.

    The city built a new bridge at the turn of the millennium.

Word forms

pluralmillennia
pluralmillenniums

Common combinations

the turn of the millennium
At the turn of the millennium, few people had smartphones.
for millennia
People have used this plant for medicine for millennia.
the new millennium
The new millennium began in 2001.

Synonyms and how they differ

thousand years
A plain phrase used in everyday speech; 'millennium' is more formal and often used in historical writing.

Word family

millennial adjective
Relating to a millennium or to a period of a thousand years.
millennia noun
The plural of 'millennium', meaning multiple thousand-year periods.

Commonly confused: millennium or millennium?

millennium vs millennium

Sometimes misspelled as 'millenium' with one 'n'; the correct spelling has double 'n'.

Practice

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