| O'Brien of "D.O.A." | 33 |
| Onetime Secretary of State Muskie | 33 |
| One of eight English kings: Abbr. | 33 |
| One with the most life experience | 33 |
| One voted for in November '08 | 33 |
| Ones in an instituteur's care | 33 |
| One with a regular pole position? | 33 |
| One of Santa's little helpers | 33 |
| Online financial services company | 33 |
| Only QB to start five Super Bowls | 33 |
| One spelling for a mideast prince | 33 |
| One of the Big Four record labels | 33 |
| One seeking signs of life?: Abbr. | 33 |
| One-named singer of New Age music | 33 |
| Org. with air and water standards | 33 |
| Org. monitoring industrial wastes | 33 |
| Org. headed by Lisa Perez Jackson | 33 |
| Omar of "The Mod Squad" | 33 |
| Onetime feminist cause, for short | 33 |
| One of nine sisters of Greek myth | 33 |
| One who might put you in stitches | 33 |
| One of the "Long Tails" | 33 |
| One of the "Great" ones | 33 |
| Orchestral work premiered in 1805 | 33 |
| One "E" on a scoreboard | 33 |
| Old word before "while" | 33 |
| Onetime Folies Bergère regular | 33 |
| Online request to come to a party | 33 |
| One following a bellwether, maybe | 33 |
| One in an ethnic enclave, perhaps | 33 |
| Olympic Stadium team through 2004 | 33 |
| Ophthalmologist's application | 33 |
| One who was at the scene, usually | 33 |
| Org. concerned with sleepy pilots | 33 |
| Ornate, like a peacock's tail | 33 |
| Ones waiting for autographs, e.g. | 33 |
| One way to get junk transmissions | 33 |
| Org. overseeing decency standards | 33 |
| Org. that helps after a hurricane | 33 |
| Old-fashioned word of disapproval | 33 |
| One who's devilishly devoted? | 33 |
| Ominous thing in "Jaws" | 33 |
| Ominous sight in "Jaws" | 33 |
| One reason to stay in bed all day | 33 |
| One whose style is out of fashion | 33 |
| One who sits on a whoopee cushion | 33 |
| Opportunity for public discussion | 33 |
| One who comes from a separate egg | 33 |
| Ont. site of a War of 1812 battle | 33 |
| Old post of the 7th Infantry Div. | 33 |
| Olympic sprinting champion Devers | 33 |
| Old tune, "Buffalo ___" | 33 |
| Openings in the dental profession | 33 |
| One of the three states of matter | 33 |
| One of Kyoto's claims to fame | 33 |
| One with a great view at the zoo? | 33 |
| One known for riding out of gear? | 33 |
| One who hasn't much time left | 33 |
| Org. with an elephant in its logo | 33 |
| Opt for a career without the band | 33 |
| One might be picked for a concert | 33 |
| Old tennis racket string material | 33 |
| One of "The Two Coreys" | 33 |
| Once-in-a-lifetime trip, for some | 33 |
| Occasional position of the colors | 33 |
| One may be proffered at a wedding | 33 |
| One who is cheerful and satisfied | 33 |
| One of Buddhism's three fires | 33 |
| One of the 4-H Club's H's | 33 |
| Outburst from Beavis or Butt-Head | 33 |
| One meaning for "Aloha" | 33 |
| Oil company with a toy truck line | 33 |
| Orange-roofed eateries, for short | 33 |
| Old-fashioned "Yippee!" | 33 |
| One washing down a sidewalk, e.g. | 33 |
| One washing down a driveway, e.g. | 33 |
| Ousted Egyptian president Mubarak | 33 |
| Otto the Great's realm: Abbr. | 33 |
| Org. that investigated Alger Hiss | 33 |
| One of fifty shades of grey, say? | 33 |
| One defeated at Châlons in 451 | 33 |
| One with a game collection, maybe | 33 |
| O'Neill masterwork, for short | 33 |
| Old-time worker in a freight yard | 33 |
| Official required to have a beard | 33 |
| One-named supermodel from Somalia | 33 |
| Org. employing Ethan Hunt in film | 33 |
| Online chat components, for short | 33 |
| One of a people conquered in 1533 | 33 |
| Opposite of "catalysts" | 33 |
| Org. overseeing quadrennial games | 33 |
| Org. overseeing the Atlanta games | 33 |
| One of OPEC's charter members | 33 |
| One of earth's troubled spots | 33 |
| One of Cleopatra's attendants | 33 |
| Options for salting away, briefly | 33 |
| Old TV drama set in San Francisco | 33 |
| Oddly-sized, like clothing: abbr. | 33 |
| Old inits. in tele-communications | 33 |
| Oscar-winning director Ford: 1935 | 33 |