bimillenary /bī-milˈi-nə-ri/

1. A period of 2000 years
2. A 2000th anniversary

1. Happening every 2000 years
2. Relating to a 2000th anniversary

• quick-wittedness
• quicky
• quid
• quidam
• quidams
• quiddanies
• quiddany
• quiddit
• quidditative
• quidditch
• quidditches
• quiddities
• quiddits
• quiddity
• quiddle
• quiddled
• quiddler
• quiddlers
• quiddles
• quiddling
• quidnunc
• quidnuncs
• quid pro quo
• quid pro quos
• quids