Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun bimillennium

2 senses of bimillennium

Sense 1
bimillennium, bimillenary -- (the 2000th anniversary (or the celebration of it))
       => anniversary, day of remembrance -- (the date on which an event occurred in some previous year (or the celebration of it))

Sense 2
bimillennium, bimillenary -- (a span of 2000 years)
       => time period, period of time, period -- (an amount of time; "a time period of 30 years"; "hastened the period of time of his recovery"; "Picasso's blue period")