| Org. for people 50 and over | 27 |
| Org. for 50-and-older folks | 27 |
| Org. many lawyers belong to | 27 |
| Org. concerned with defense | 27 |
| One associated with honesty | 27 |
| Object of Cain's mutiny | 27 |
| One with a sterling service | 27 |
| One known for great service | 27 |
| Oskar's "Oh!" | 27 |
| Oktoberfest "Oh!" | 27 |
| One of the back 40, perhaps | 27 |
| One may have several scenes | 27 |
| Org. with an oral fixation? | 27 |
| Org. concerned with bridges | 27 |
| One of TV's Cartwrights | 27 |
| One with a pack-a-day habit | 27 |
| One of the dancing Astaires | 27 |
| Only woman to outwit Holmes | 27 |
| One way to enlarge a family | 27 |
| Old nuclear regulatory org. | 27 |
| Obsolescent rooftop fixture | 27 |
| Of air or gases: Comb. form | 27 |
| Org. with Titans and Chiefs | 27 |
| Org. with Patriots and Jets | 27 |
| Orlando Predators' grp. | 27 |
| Org. in Super Bowls I to IV | 27 |
| Opposing, with 'of' | 27 |
| Ouagadougou's continent | 27 |
| One thing candles represent | 27 |
| Onetime Mets slugger Tommie | 27 |
| One paid to be a go-between | 27 |
| One who makes things happen | 27 |
| Opposed to, hillbilly-style | 27 |
| Opposite of "fer" | 27 |
| Obsessive whaler of fiction | 27 |
| One giving Starbuck orders? | 27 |
| Obsessive hunter of fiction | 27 |
| Obsessive fictional skipper | 27 |
| Opera with Princess Amneris | 27 |
| Opera that opens in Memphis | 27 |
| Opera that debuted in Cairo | 27 |
| Opera set in ancient Thebes | 27 |
| Opera premiere: Cairo, 1871 | 27 |
| Open enough to peep through | 27 |
| One way to prepare linguine | 27 |
| One of the Baldwin brothers | 27 |
| Out of the wind, nautically | 27 |
| Oriole or Tiger, informally | 27 |
| Oldsmobile's last model | 27 |
| Old car similar to a Malibu | 27 |
| One might stand up in court | 27 |
| Out on ___ (taking chances) | 27 |
| Onetime San Francisco mayor | 27 |
| One way to go, betting-wise | 27 |
| Outstanding football player | 27 |
| Offhand expression in Paris | 27 |
| Opera villainess, sometimes | 27 |
| Opera villainess, typically | 27 |
| One with an old school tie? | 27 |
| Org. that does patient work | 27 |
| Open mike night participant | 27 |
| Open-mike-night participant | 27 |
| One-celled protozoan (Var.) | 27 |
| One multiplying by dividing | 27 |
| Oscar-winning Whitaker role | 27 |
| Ovid's 'I love' | 27 |
| Opposite of "odi" | 27 |
| Opposite of yours, in Tours | 27 |
| OutKast member ___ Benjamin | 27 |
| One opening a can of worms? | 27 |
| O'Neill heroine, et al. | 27 |
| One of fashion's Kleins | 27 |
| One catching a lot of waves | 27 |
| Object of many an appraisal | 27 |
| One of Hoffmann's loves | 27 |
| Ones heading for the hills? | 27 |
| On ___ with (equivalent to) | 27 |
| On --- with (comparable to) | 27 |
| O'Neill title character | 27 |
| One who sincerely flatters? | 27 |
| Overcome with consternation | 27 |
| One of the Three Musketeers | 27 |
| One of the Twelve Olympians | 27 |
| Odysseus's faithful dog | 27 |
| Offering from the fat lady? | 27 |
| One of the musical Guthries | 27 |
| One of the singing Guthries | 27 |
| Obama cabinet member Duncan | 27 |
| One form of insurance fraud | 27 |
| One of the Leeward Antilles | 27 |
| Org. for Cahn, Kahn, et al. | 27 |
| Org. headed by Morton Gould | 27 |
| Out on the Pequod or Bounty | 27 |
| On Poseidon's territory | 27 |
| On a Carnival ride, perhaps | 27 |
| Object of E.P.A. monitoring | 27 |
| One of the tribes of Israel | 27 |
| One market for U.S. exports | 27 |
| One of the seven continents | 27 |
| One way to get some answers | 27 |