1. Holding first place in a contest
   "a prizewinning wine"
   - champion

See also: best

• Ostyak
• Ostyak-Samoyed
• Oswald
• Oswald Spengler
• Oswald Veblen
• oswego tea
• Otaheite arrowroot
• Otaheite arrowroot starch
• otalgia
• Otaria
• Otaria Byronia
• Otariidae
• otc
• OTC market
• OTC security
• OTC stock
• Othello
• other
• other half
• other than
• otherness
• others
• otherwise
• otherworld
• otherworldliness