biennial /bī-enˈi-əl or -enˈyəl/

1. Lasting two years
2. Happening or appearing once in two years

1. A plant that flowers and fruits only in its second year, then dies
2. An event taking place or being celebrated every two years

biennˈially adverb

• snippings
• snippy
• snips
• snip-snap
• snip-snapped
• snip-snapping
• snip-snaps
• snip-snap-snorum
• snipt taffeta fellow
• snipt taffeta fellows
• snipy
• snirt
• snirtle
• snirtled
• snirtles
• snirtling
• snirts
• snit
• snitch
• snitched
• snitcher
• snitchers
• snitches
• snitching
• snits