1. Twice a year
   "we hold our big sale biannually"

See also: biannual

• amenably
• amend
• amendable
• amendatory
• amende
• amended
• amended return
• amender
• amendment
• amends
• Amenhotep IV
• amenia
• amenities
• amenity
• amenorrhea
• amenorrheal
• amenorrheic
• amenorrhoea
• amenorrhoeal
• amenorrhoeic
• ament
• amentaceous
• amentia
• Amentiferae
• amentiferous