| One of five golfers to have won all four of the majors | 54 |
| One of three camel riders[IMPORTANT: See Note, above.] | 54 |
| Options strategy also known as a "buy-write" | 54 |
| Order to a Nile reptile to upset a vessel? [1973/1974] | 54 |
| Olu ___ (jazz musician who is rapper Nas's father) | 54 |
| One-named R&B singer with "Feel So High" | 54 |
| Ones performing a folk legend's tunes in Michigan? | 54 |
| Only person to win Oscars for acting and screenwriting | 54 |
| Originator of the phrase "Pandora's box" | 54 |
| Only coach to win both N.F.L. and A.F.L. championships | 54 |
| Opera about the steadfast wife of a political prisoner | 54 |
| One with all the answers—or in one case, questions | 54 |
| Olajuwon who is the NBA career leader in blocked shots | 54 |
| One answer to "Are you waiting for someone?" | 54 |
| Org. for Superman, Batman, Wonder Woman, Flash, et al. | 54 |
| Off-Broadway's "The Beauty Queen of ___" | 54 |
| One who's read an encyclopedia's first volume? | 54 |
| Oscar-winning actress in "Melvin and Howard" | 54 |
| One of Kevin's "American Beauty" costars | 54 |
| One who uses Italian cheese as a race course obstacle? | 54 |
| Order to Fido at historic site has a certain pop style | 54 |
| Original host of TV's "A Current Affair" | 54 |
| One Direction song that references a 1977 Queen anthem | 54 |
| Only man to fly in Mercury, Gemini and Apollo missions | 54 |
| Obama, Biden or McCain (but not Palin), in 2008: Abbr. | 54 |
| Outfield wall that's unusually close to home plate | 54 |
| Oscar winner for "Coal Miner's Daughter" | 54 |
| One who'll easily lend money for a hard-luck story | 54 |
| One of the deer hunters in "The Deer Hunter" | 54 |
| One with a print outside Grauman's Chinese Theatre | 54 |
| Only Pacific Division NBA team not based in California | 54 |
| One debuting on "America's Most Wanted"? | 54 |
| Opera house that opened with "Faust" in 1883 | 54 |
| One on the Statue of Liberty is almost three feet long | 54 |
| Opera title character who hurls herself from a parapet | 54 |
| One-named "I Do!" singer named for a Jackson | 54 |
| One of two in "The Twelve Days of Christmas" | 54 |
| Old "We're up to something good" carrier | 54 |
| One of Apu's octuplets on "The Simpsons" | 54 |
| Org. that trademarked "Pony Express" in 2006 | 54 |
| Org. with a national center named for Billie Jean King | 54 |
| One's regular drink (with ''the'') | 54 |
| One that goes "pop" in a children's song | 54 |
| Oscar who wrote "The Picture of Dorian Gray" | 54 |
| Old country name or its currency, both dropped in 1997 | 54 |
| Oldest child in the comic strip "Baby Blues" | 54 |
| One team represents it in the Chick-fil-A Bowl: Abbr. | 53 |
| Oscar-winning role for Holly in "The Piano" | 53 |
| O'Neill's "___ for the Misbegotten" | 53 |
| Only daughter of Queen Elizabeth II and Prince Philip | 53 |
| One who hears ''You've got mail'' | 53 |
| Org. featured in "Three Days of the Condor" | 53 |
| One of an "O Brother, Where Art Thou?" pair | 53 |
| Operator of the largest brewery facility in the world | 53 |
| One who might get to the root of your problem?: Abbr. | 53 |
| Opus ___ ("The Da Vinci Code" organization) | 53 |
| Old English interjection meaning "Oh, God!" | 53 |
| One of Beethoven's bagatelles is dedicated to her | 53 |
| Oklahoma city that's home to Vance Air Force Base | 53 |
| One-third of "nine-hundred-and-ninety-nine" | 53 |
| One of Greater London's "home counties" | 53 |
| Officer Poncherello portrayer of '70s-'80s TV | 53 |
| Org. featured in "The Silence of the Lambs" | 53 |
| One of the three H's in a summer weather forecast | 53 |
| One of four in "As I Was Going to St. Ives" | 53 |
| Ogden Nash's "___ Stranger Here Myself" | 53 |
| Only nation with a Caspian and Indian Ocean coastline | 53 |
| Oscar winner who sang in "My Sister Eileen" | 53 |
| Obsolescent skier's lift with a curved lower part | 53 |
| One of the angels on "Charlie's Angels" | 53 |
| One of Emma's lovers in "Madame Bovary" | 53 |
| Original title of Beethoven's "Fidelio" | 53 |
| One guarding the steps of the New York Public Library | 53 |
| One that most people would prefer to put off meeting? | 53 |
| One who's always a step ahead of you, so it seems | 53 |
| Oscar-winning actress in "Mighty Aphrodite" | 53 |
| Onetime bodyguard of Muhammad Ali and Michael Jackson | 53 |
| Org. whose motto is "Where Amazing Happens" | 53 |
| Originally, the greatest extent of the Ottoman Empire | 53 |
| Only member of both OPEC and the British Commonwealth | 53 |
| O'Flaherty's Gypo in "The Informer" | 53 |
| Org. highlighted in "Bowling for Columbine" | 53 |
| Org. of which eight U.S. presidents have been members | 53 |
| One of Chekov's ''Three Sisters'' | 53 |
| Oscar nominee for "Stand and Deliver," 1988 | 53 |
| Org. that advises the president in financial planning | 53 |
| Octogenarian who often wears sunglasses and a top hat | 53 |
| One who "lov'd not wisely but too well" | 53 |
| Ohio club with a spring training facility in Sarasota | 53 |
| O'Connor who played Gabrielle on "Xena" | 53 |
| Org. with a red, white, and blue elephant on its seal | 53 |
| Oscar winner Mercedes for "The Fisher King" | 53 |
| Org. that removed a beer bottle from its logo in 1997 | 53 |
| Oscar-nominated actor with the given name Aristotelis | 53 |
| Old tombstone abbr. meaning "at the age of" | 53 |
| Onetime California gubernatorial candidate Huffington | 53 |
| Oft-criticized college football ranking system: Abbr. | 53 |
| One of a series of joint Soviet/U.S. space satellites | 53 |
| Officer in charge of a ship's rigging, informally | 53 |
| Old comedian known for his unique piano-playing style | 53 |