| Old Horn & Hardart eatery | 29 |
| One of Frank's four wives | 29 |
| One of 17 Monopoly properties | 29 |
| Of interest to ornithologists | 29 |
| One open to baseless charges? | 29 |
| Over the hill, in the service | 29 |
| One who's off base, maybe | 29 |
| Olympic leap for Evan Lysacek | 29 |
| Of Earth's bisecting line | 29 |
| One of Montezuma's people | 29 |
| One in the woods, so they say | 29 |
| One thing to do with a bucket | 29 |
| One way to keep a boat afloat | 29 |
| One holding property in trust | 29 |
| One who works for a cut rate? | 29 |
| One making a sacrifice, maybe | 29 |
| One of Estelle's co-stars | 29 |
| On the ___ (functioning well) | 29 |
| One soothed by music, perhaps | 29 |
| One may show you to your room | 29 |
| Old Texas rice grower of note | 29 |
| Opposite of a standing order? | 29 |
| Option most likely to succeed | 29 |
| One side in a 1960s civil war | 29 |
| One heart, two diamonds, e.g. | 29 |
| Organization leader, in slang | 29 |
| One who might spill the beans | 29 |
| One of the Righteous Brothers | 29 |
| Overhead compartment, for one | 29 |
| Obscenity obscurer, sometimes | 29 |
| One of Henry VIII's Annes | 29 |
| Osteologist's dinnerware? | 29 |
| Ore used as a cleansing agent | 29 |
| Of Lammermoor or Frankenstein | 29 |
| One who works to gain pounds? | 29 |
| One in the family, informally | 29 |
| Often furrowed facial feature | 29 |
| Org. that awards merit badges | 29 |
| One headed to school, perhaps | 29 |
| One way to get to the airport | 29 |
| Oft-reduplicated parting word | 29 |
| One of Ike's predecessors | 29 |
| Orient Express terminus, once | 29 |
| One use of a Swiss Army knife | 29 |
| Otis Redding's pal Thomas | 29 |
| One going door-to-door, maybe | 29 |
| One of Caesar's assassins | 29 |
| One of Caesar's attackers | 29 |
| One who's driving on air? | 29 |
| Org. concerned with swine flu | 29 |
| Org. concerned with outbreaks | 29 |
| One might take it for a drive | 29 |
| Overlay with plaster, perhaps | 29 |
| Office held by Cato the Elder | 29 |
| Orange pekoe source, formerly | 29 |
| Org. that awards the Grey Cup | 29 |
| Office worker's necessity | 29 |
| One-named Spanish entertainer | 29 |
| One of four on the human body | 29 |
| One wearing the apron strings | 29 |
| One whose work causes a stir? | 29 |
| Overseas greeting or farewell | 29 |
| One's close acquaintances | 29 |
| Old African queen, familiarly | 29 |
| One of the Boyers of baseball | 29 |
| One way to attain new heights | 29 |
| One of Calliope's sisters | 29 |
| Outlet from Atlanta, in brief | 29 |
| One working on a good figure? | 29 |
| One above a specialist: Abbr. | 29 |
| One unable to get a loan, say | 29 |
| Older type of computer screen | 29 |
| Old computer monitor, briefly | 29 |
| Org. formed in 1860–61 | 29 |
| One usually seen taking a bow | 29 |
| Ornamental rooftop structures | 29 |
| One who puts on a show, maybe | 29 |
| One of baby's first words | 29 |
| Orphan Annie's benefactor | 29 |
| Org. out of Constitution Hall | 29 |
| Occur to, with "on" | 29 |
| Operation Overlord high point | 29 |
| Operation Overlord's time | 29 |
| One with filling work?: Abbr. | 29 |
| One who might offer insurance | 29 |
| One of life's certainties | 29 |
| One of America's problems | 29 |
| One with charges against him? | 29 |
| One with an account to settle | 29 |
| Oscar winner Benicio ___ Toro | 29 |
| One of the original 13: Abbr. | 29 |
| One of the 13 colonies: Abbr. | 29 |
| Old-time leading lady Dolores | 29 |
| Offering from an unsigned act | 29 |
| One interested in possessions | 29 |
| Owl City "___ Care" | 29 |
| One half of an old comedy duo | 29 |
| Old car named for an explorer | 29 |
| One fighting a losing battle? | 29 |
| One may be used after a spill | 29 |