i Register
In some senses, millennium is marked as archaic. Watch for register when choosing this word.
ADJ.
half, last, many, new, old, prepared
We weren't prepared for all the changes that came with the new millennium.
VERB + MILLENNIUM
achieved, eat, make, makes, set
The company set a millennium goal to reduce carbon emissions by half.
MILLENNIUM + NOUN
bug, centuries, development, egg, goal, goals, others, period
The millennium bug caused widespread concern among computer experts in the late 1990s.
PREP.
in, in, than, up, up, with
We've seen more technological change in the past decade than in the entire previous millennium.