1. Excellent or splendid
   "that's a perfectly spiffing idea"

See also: superior

• bogey
• bogeyman
• boggle
• boggy
• bogie
• bogle
• bogmat
• Bogota
• bogus
• bogy
• bogyman
• bohea
• bohemia
• bohemian
• Bohemian waxwing
• bohemianism
• Bohme
• Bohr
• Bohr theory
• bohrium
• bohunk
• Boidae
• boil
• boil down
• boil over