sexennial /sek-senˈyəl or -senˈi-əl/

1. Lasting six years
2. Recurring every six years

• slumming
• slummings
• slummock
• slummocked
• slummocking
• slummocks
• slummy
• slump
• slumped
• slumpflation
• slumpflationary
• slumpflations
• slumpier
• slumpiest
• slumping
• slumps
• slump sum
• slump sums
• slump test
• slump tests
• slumpy
• slums
• slung
• slung shot
• slung shots