| Org. concerned with equines | 27 |
| One in taxing circumstances | 27 |
| One's home or car, e.g. | 27 |
| Org. with a common interest | 27 |
| Old New York socialite name | 27 |
| Observatory observer: Abbr. | 27 |
| Off the straight and narrow | 27 |
| One of the Reds' rivals | 27 |
| Old navigational instrument | 27 |
| Onetime Marshall Isl. event | 27 |
| Org. that enforces gun laws | 27 |
| Olympics participant: Abbr. | 27 |
| One playing the field, e.g. | 27 |
| Olympic sprinter ___ Boldon | 27 |
| Org. for Nadal and Djokovic | 27 |
| Org. for Agassi and Roddick | 27 |
| One of the Aleutian Islands | 27 |
| Off-road transport, briefly | 27 |
| Off-road rambler, for short | 27 |
| One of the German Big Three | 27 |
| One way to prepare potatoes | 27 |
| Opie Taylor's caretaker | 27 |
| Opposite of manual, briefly | 27 |
| Obsolescent dining facility | 27 |
| One of Bristol's rivers | 27 |
| One saying "I do" | 27 |
| Opposite of "out" | 27 |
| Opposite of socially smooth | 27 |
| Old-timey cries of distress | 27 |
| One that picks up the kids? | 27 |
| One of a caddie's roles | 27 |
| Old ___ (London courthouse) | 27 |
| One of a nursery rhyme trio | 27 |
| Old "Batman" word | 27 |
| One-time East Asian barrier | 27 |
| One with poetic aspirations | 27 |
| One raised in Amish country | 27 |
| One incapacitated by stress | 27 |
| One with ears to the ground | 27 |
| One who's out of stock? | 27 |
| Oscar Pettiford's music | 27 |
| One of Stalin's cronies | 27 |
| Oscar: Felix:: Ernie: _____ | 27 |
| Overwhelm, as with requests | 27 |
| Outdoes for the blue ribbon | 27 |
| One may get laid on a horse | 27 |
| One handling a baby shower? | 27 |
| One with a Bunker mentality | 27 |
| Ohio State's conference | 27 |
| One of the Marshall Islands | 27 |
| Orthodontist's concerns | 27 |
| Oregon NBA team, familiarly | 27 |
| Oprah's Life Lift, e.g. | 27 |
| One who's gone platinum | 27 |
| One leaving a wake, perhaps | 27 |
| Official ties of New Mexico | 27 |
| One with a terrible opening | 27 |
| One hanging out in an alley | 27 |
| One with a supporting role? | 27 |
| Oft-burned '60s garment | 27 |
| Orthodontist's offering | 27 |
| Old golf club a.k.a. 2 wood | 27 |
| Onetime Beantown ballplayer | 27 |
| One who puts U in disfavor? | 27 |
| One of three in this puzzle | 27 |
| Old Dodgers, affectionately | 27 |
| One way to make a sacrifice | 27 |
| Onetime Montana copper town | 27 |
| One way to get around town? | 27 |
| One traveling often by taxi | 27 |
| One often traveling by taxi | 27 |
| One of several in a kitchen | 27 |
| Official seal on a document | 27 |
| One a woman can't trust | 27 |
| One might roam on the range | 27 |
| On ___ (available for duty) | 27 |
| Old Testament promised land | 27 |
| Olympics vehicle since 1936 | 27 |
| Org. helping people in need | 27 |
| Online shopper's basket | 27 |
| Ones going through a stage? | 27 |
| Oscar winner as Elizabeth I | 27 |
| Org. employing Diane Sawyer | 27 |
| Org. that handles outbreaks | 27 |
| Org. that combats epidemics | 27 |
| Outdated computer accessory | 27 |
| Ozone destroyers, for short | 27 |
| Overstarched collar problem | 27 |
| Organization's opposite | 27 |
| One who never stops talking | 27 |
| One of Harpo's brothers | 27 |
| One of Zeppo's brothers | 27 |
| One may follow a long drive | 27 |
| Onion-flavored garden plant | 27 |
| On the double, when doubled | 27 |
| Org. headed by Leon Panetta | 27 |
| Orator of Caesar's time | 27 |
| Op. ___ (in the work cited) | 27 |
| Opposite of military: Abbr. | 27 |
| One can stake it or file it | 27 |