| Order with a glass of milk | 26 |
| Order with many options | 23 |
| Order with udon, maybe | 22 |
| Order-keepers at parades | 24 |
| Ordered at a drive-thru | 23 |
| Ordered Chinese maybe | 22 |
| Ordered more magazines | 22 |
| Ordered pizza, perhaps | 22 |
| Ordered room service, say | 25 |
| Ordered to go into court | 24 |
| Ordered, in olden days | 22 |
| Orderer's reference | 23 |
| Ordering delivery for dinner | 28 |
| Orderly and systematic | 22 |
| Orderly supervisors: Abbr. | 26 |
| Orderly traffic pattern | 23 |
| Orderly view of cosmos | 22 |
| Orders a dog to attack | 22 |
| Orders at a restaurant | 22 |
| Orders for supplies: Abbr. | 26 |
| Orders from absolute rulers | 27 |
| Orders in a restaurant | 22 |
| Orders in the bar car? | 22 |
| Orders the attack dogs | 22 |
| Orders to do something | 22 |
| Orders with foamy tops | 22 |
| Ordinal number endings | 22 |
| Ordinal number suffixes | 23 |
| Ordinal-number suffixes | 23 |
| Ordinance aimed at pet owners | 29 |
| Ordinary carpenter's tool | 29 |
| Ordinary dinner bread? | 22 |
| Ordinary equine malady? | 23 |
| Ordinary in the extreme | 23 |
| Ordinary; unremarkable | 22 |
| Ordnance item, for short | 24 |
| Ore seeker's entrance | 25 |
| Ore used as a cleansing agent | 29 |
| Ore- -- (maker of Crispers!) | 28 |
| Ore- -- (Tater Tots maker) | 26 |
| Ore-Ida parent company | 22 |
| Ore-___ (frozen food brand) | 27 |
| Ore-___ (frozen foods brand) | 28 |
| Ore-___ (Tater Tots brand) | 26 |
| Ore. river to the Pacific | 25 |
| Ore.'s highest point | 24 |
| Oreck offering, briefly | 23 |
| Oreful Milland-Lamarr flick | 27 |
| Oreful Wilder-Pryor flick | 25 |
| Oregano or marjoram, e.g. | 25 |
| Oregon Coast Aquarium city | 26 |
| Oregon doesn't have one | 27 |
| Oregon Ducks' home | 22 |
| Oregon NBA team, familiarly | 27 |
| Oregon or Santa Fe: Abbr. | 25 |
| Oregon State's conf. | 24 |
| Oregon Trail transport | 22 |
| Oregon Trail transportation | 27 |
| Oregon Trail traveler, e.g. | 27 |
| Oregon Treaty president | 23 |
| Oregon's largest city | 25 |
| Oregon's state tree | 23 |
| Oregon's _____ Lake | 23 |
| Oregon-based shoe company | 25 |
| Oregon-based tea brand | 22 |
| Oregon-to-New York direction | 28 |
| Orestes' tormentors | 23 |
| Orfant Annie's creator | 26 |
| Org. A.E.S. belonged to | 23 |
| Org. a.k.a. The Company | 23 |
| Org. abolished in 1977 | 22 |
| Org. affected by Title IX | 25 |
| Org. against gun control | 24 |
| Org. against the Patriot Act | 28 |
| Org. associated with FICA | 25 |
| Org. at Constitution Hall | 25 |
| Org. awarding cultural grants | 29 |
| Org. backing Obamacare | 22 |
| Org. banned from 1960 to 1990 | 29 |
| Org. based in Daytona Beach | 27 |
| Org. based in Indianapolis | 26 |
| Org. based in Langley, VA | 25 |
| Org. based in Langley, Va. | 26 |
| Org. based in Langley, Virg. | 28 |
| Org. based in McLean, Va. | 25 |
| Org. based in Nashville | 23 |
| Org. based in Strasbourg | 24 |
| Org. battling price-fixing | 26 |
| Org. behind Daly and Love | 25 |
| Org. behind PG ratings | 22 |
| Org. behind some food recalls | 29 |
| Org. called from the shoulder | 29 |
| Org. cited on some tubes | 24 |
| Org. concerned about heaters | 28 |
| Org. concerned about leaks | 26 |
| Org. concerned with air | 23 |
| Org. concerned with barrels | 27 |
| Org. concerned with bridges | 27 |
| Org. concerned with CFCs | 24 |
| Org. concerned with crowns | 26 |