| Old horror-flick star Chaney | 28 |
| One whose charges are sarges | 28 |
| One hit by Cupid's arrow | 28 |
| Org. to get women on course? | 28 |
| Onetime aid in psychotherapy | 28 |
| One way to change your mind? | 28 |
| Omaha Beach craft, for short | 28 |
| Oliver North's USMC rank | 28 |
| Oscar-winning actress Rainer | 28 |
| One-name singer of the 1960s | 28 |
| One-named British pop singer | 28 |
| One of Polly Adler's ilk | 28 |
| Operatic offering by Puccini | 28 |
| One of the Biblical wise men | 28 |
| Olympic skiing medalist Phil | 28 |
| Only one-syllable state name | 28 |
| Opposite of "bien" | 28 |
| Old-timey after-school drink | 28 |
| Origin of a fictional falcon | 28 |
| Onetime White House resident | 28 |
| Old-___-beard (green lichen) | 28 |
| Onetime popular T-shirt icon | 28 |
| One of the Brady Bunch girls | 28 |
| One level below sharpshooter | 28 |
| One of the Donald's exes | 28 |
| One leading a cheer, perhaps | 28 |
| Old hit TV show set in Korea | 28 |
| Oxfordian's parent, e.g. | 28 |
| One of Galileo's patrons | 28 |
| One million bytes, for short | 28 |
| One who's been initiated | 28 |
| One must be quick to join it | 28 |
| One way to get to the Louvre | 28 |
| One way to Constitution Hall | 28 |
| One-time shuttle destination | 28 |
| Oblique surface in carpentry | 28 |
| Of an atrioventricular valve | 28 |
| Ostrich's extinct cousin | 28 |
| Oil company in a 1999 merger | 28 |
| Often-recited Christmas poet | 28 |
| Orioles third baseman Melvin | 28 |
| One residing on the frontier | 28 |
| One in the frontier, perhaps | 28 |
| Oats often eaten with yogurt | 28 |
| One who's tough to budge | 28 |
| Ornamental flower, for short | 28 |
| One of several Oz characters | 28 |
| One with power and influence | 28 |
| One who Will. Not. Drop. It. | 28 |
| Opposite of "yeah" | 28 |
| Onetime V.P. John ___ Garner | 28 |
| Org. that Carl Sagan advised | 28 |
| One of five Iroquoian groups | 28 |
| Org. formed on April 4, 1949 | 28 |
| Old A.L. Senators, for short | 28 |
| Opposite of "Yep!" | 28 |
| Opposite of spring, tidewise | 28 |
| One getting into the groove? | 28 |
| Opposite of 'paleo-' | 28 |
| One in an incubator, perhaps | 28 |
| One of India's neighbors | 28 |
| One of Seneca's students | 28 |
| Opposite of alt, in Augsburg | 28 |
| One of the giants of science | 28 |
| Org. with Eagles and Falcons | 28 |
| Org. with Cowboys and Chiefs | 28 |
| Org. of Panthers and Jaguars | 28 |
| Org. of Jaguars and Panthers | 28 |
| Org. for Sharks and Penguins | 28 |
| Org. with Ducks and Penguins | 28 |
| Org. with Penguins and Ducks | 28 |
| Org. with Bruins and Coyotes | 28 |
| Org. that studies old people | 28 |
| One of the vitamin B complex | 28 |
| One who says “uncle” | 28 |
| One of Columbus' vessels | 28 |
| One of a noted nautical trio | 28 |
| Org. for workers' rights | 28 |
| Old salt's course: Abbr. | 28 |
| One known for saving couples | 28 |
| Option given by Howie Mandel | 28 |
| One sans a permanent address | 28 |
| One who doesn't stay put | 28 |
| One end of the Iditarod race | 28 |
| One might be cooked al dente | 28 |
| Old West "necktie" | 28 |
| One rejection after another? | 28 |
| One of Jane Austen's six | 28 |
| Org. that sticks to its guns | 28 |
| Org. with lots of big shots? | 28 |
| Org. that's into firing? | 28 |
| Org. opposing the Brady bill | 28 |
| Org. concerned about heaters | 28 |
| Org. protecting U.S. secrets | 28 |
| Org. employing cryptologists | 28 |
| Ones who can barely be seen? | 28 |
| Old town on the Hudson River | 28 |
| One on whom subtlety is lost | 28 |
| Org. that was born in Bogota | 28 |
| Orchestral tuning instrument | 28 |