1
banzai
1
billion
1
bissextile year
1
calendar year
1
centenary
1
chiliagon
1
chiliahedron
1
chiliarch
1
chiliarchia
1
common year
1
decades
1
decenniad
1
decennium
1
defective year
1
doom
1
dreamland
1
era of prosperity(expression, idiom)
1
fair weather
1
fiscal year
1
fortnight
11 years ago|10k views|share |citing 
APASmart Define. (2015). millennium thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/millennium/thesaurus/synonyms
ChicagoSmart Define. 2015. "millennium thesaurus" https://smartdefine.org/millennium/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, millennium thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/millennium/thesaurus/synonyms>.
MLASmart Define. "millennium thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/millennium/thesaurus/synonyms>