1. The cardinal number that is the sum of seven and one
   - eight, 8, VIII, eighter, eighter from Decatur, ogdoad, octonary, octet

Derived forms: octads

Type of: digit, figure

• official document
• official emissary
• official immunity
• officialdom
• officialese
• officialise
• officialism
• officialize
• officially
• officiant
• officiate
• officiating
• officiation
• officiator
• officinal
• officious
• officiously
• officiousness
• offing
• offish
• offload
• offprint
• offsaddle
• offset
• offset lithography