| Opponent for Bjorn or Vitas | 27 |
| One caught by border patrol | 27 |
| One-named former supermodel | 27 |
| Online qualifier, initially | 27 |
| Often-ironic text shorthand | 27 |
| Online exchanges, for short | 27 |
| Online chat bits, for short | 27 |
| One of 360 for a first down | 27 |
| One at a Delhi counter, say | 27 |
| Out of the country, perhaps | 27 |
| Omphalophobia fear, perhaps | 27 |
| Overnight stops on the road | 27 |
| One way to solve crosswords | 27 |
| One may be technical: Abbr. | 27 |
| One form of college tuition | 27 |
| Office communication device | 27 |
| Org. with a multi-ring logo | 27 |
| Org. overseeing London 2012 | 27 |
| One of the Cyclades islands | 27 |
| Org. in "Trinity" | 27 |
| One of Kurt's lyricists | 27 |
| One of David's officers | 27 |
| One place Kurdish is spoken | 27 |
| Outcome of severe annoyance | 27 |
| Opposite of reggae feeling? | 27 |
| One with pressing concerns? | 27 |
| One with pressing business? | 27 |
| Org. with complex schedules | 27 |
| Org. with an April deadline | 27 |
| Org. that seeks your return | 27 |
| Org. that gets many returns | 27 |
| Original subway line in NYC | 27 |
| Original N.Y.C. subway line | 27 |
| Osiris' wife and sister | 27 |
| One of the Carolines: Abbr. | 27 |
| One of six musical brothers | 27 |
| Oil and vinegar alternative | 27 |
| Onetime Ethiopia colonizers | 27 |
| One end of the Bernina Pass | 27 |
| One may be next to a bullet | 27 |
| One of Simpson's judges | 27 |
| Often-misspelled possessive | 27 |
| Often-mispunctuated pronoun | 27 |
| One of Clinton's titles | 27 |
| Old artificial leg material | 27 |
| Obsolete piano key material | 27 |
| One of a one-two, sometimes | 27 |
| Official gemstone of Alaska | 27 |
| One of Agatha's sleuths | 27 |
| One of the filmmaking Coens | 27 |
| Odds-and-ends storage areas | 27 |
| Old mentor in an 1893 story | 27 |
| One of the Hawaiian Islands | 27 |
| One tapped for a fraternity | 27 |
| One of the Boyers of summer | 27 |
| Ones that are strung along? | 27 |
| One bent while genuflecting | 27 |
| One of Charlie's Angels | 27 |
| Opening action in billiards | 27 |
| Owner of an Ayrshire estate | 27 |
| One of Clark's co-stars | 27 |
| Operated using a light beam | 27 |
| One may be passed or broken | 27 |
| One of two ballroom dancers | 27 |
| One at the top of the board | 27 |
| Old-fashioned water conduit | 27 |
| One resting against a stake | 27 |
| One way to tackle a hurdle? | 27 |
| One expressing joy, perhaps | 27 |
| Old western actor Van Cleef | 27 |
| One who's a real sucker | 27 |
| Offensive facial expression | 27 |
| One of four, on most tables | 27 |
| Oahu florist's creation | 27 |
| One who might gain interest | 27 |
| Order of ___ (bygone award) | 27 |
| O'Brien's successor | 27 |
| O'Brien is on after him | 27 |
| One of the Little Einsteins | 27 |
| Ostracized one in the Bible | 27 |
| One of Dinah's avengers | 27 |
| One with his pants on fire? | 27 |
| One whose pants are on fire | 27 |
| One who breaks a court oath | 27 |
| One given to tergiversation | 27 |
| Ones with burning britches? | 27 |
| One who'll always be in | 27 |
| One may be spotted in a gym | 27 |
| Old Banca d'Italia unit | 27 |
| One-time spendables in Rome | 27 |
| One of Darrow's clients | 27 |
| Old-time movie mogul Marcus | 27 |
| Old name in film production | 27 |
| O.K. for the diet-conscious | 27 |
| Opera house seating section | 27 |
| One of Sherlock's tools | 27 |
| Online display of amusement | 27 |
| One unlikely to collaborate | 27 |
| Old card game with forfeits | 27 |
| One thing to rate a date on | 27 |