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

• prep.
• prepack
• prepackage
• prepackaged
• prepackages
• prepackaging
• prepacked
• prepacking
• prepacks
• prepaid
• preparation
• preparations
• preparative
• preparatively
• preparatives
• preparator
• preparatorily
• preparators
• preparatory
• preparatory school
• preparatory schools
• prepare
• prepared
• preparedly
• preparedness