| Oasis singer Gallagher | 22 |
| Oat, wheat or rye, e.g. | 23 |
| Oatcakes popular in Scotland | 28 |
| Oater "halt!" | 23 |
| Oater "Hold it!" | 26 |
| Oater "necktie" | 25 |
| Oater "Scram!" | 24 |
| Oater action, sometimes | 23 |
| Oater defense structure | 23 |
| Oater enforcement team | 22 |
| Oater group bent on justice | 27 |
| Oater legend Lee Van ___ | 24 |
| Oater shootin' iron | 23 |
| Oater supporting casts | 22 |
| Oater wardrobe staples | 22 |
| Oater's deputized band | 26 |
| Oates and Hargrove (Abbr.) | 26 |
| Oates's musical partner | 27 |
| Oath affirmation words | 22 |
| Oath in Edwardian days | 22 |
| Oath taker's pledge | 23 |
| Oath-confirming phrase | 22 |
| Oath-taker's declaration | 28 |
| Oath-taker's words | 22 |
| Oaths Degas never used | 22 |
| Oats often eaten with yogurt | 28 |
| Oats-nuts-fruit concoction | 26 |
| Oaxaca "Of course!" | 29 |
| OÕHara's milieu | 23 |
| Ob (doc who delivers)- -- | 25 |
| Ob-gyn-administered test | 24 |
| OB-___ (certain doctor) | 23 |
| Ob-___ (med. specialty) | 23 |
| Ob-_____ (medical specialist) | 29 |
| OB/___ (certain doctor) | 23 |
| Obadiah Slope's creator | 27 |
| Obama 2008 campaign word | 24 |
| Obama and McCain, e.g. | 22 |
| Obama appointee of 2009 | 23 |
| Obama attorney general Eric | 27 |
| Obama Attorney General Holder | 29 |
| Obama cabinet member Duncan | 27 |
| Obama cabinet member Holder | 27 |
| Obama cabinet member Salazar | 28 |
| Obama campaign adviser David | 28 |
| Obama campaign concept | 22 |
| Obama caricature feature | 24 |
| Obama Chief of Staff Emanuel | 28 |
| Obama energy secretary Chu | 26 |
| Obama followers, briefly | 24 |
| Obama in the White House | 24 |
| Obama nation, familiarly | 24 |
| Obama opponent of 2008 | 22 |
| Obama or Clinton, briefly | 25 |
| Obama or Clinton, informally | 28 |
| Obama or Clinton: abbr. | 23 |
| Obama press secretary Jay | 25 |
| Obama's attorney general | 28 |
| Obama's birthplace | 22 |
| Obama's Chief of Staff | 26 |
| Obama's country, in slang | 29 |
| Obama's former title | 24 |
| Obama's middle name | 23 |
| Obama's mil. title | 22 |
| Obama's mother ___ Dunham | 29 |
| Obama's party: Abbr | 23 |
| Obama's paternal homeland | 29 |
| Obama's predecessor | 23 |
| Obama's right-hand man | 26 |
| Obama's running mate | 24 |
| Obama's state: Abbr. | 24 |
| Obama's vice president | 26 |
| Obama's younger daughter | 28 |
| Obama, as of Jan. 2009 | 22 |
| Obama, before he became pres. | 29 |
| Obama, before he was pres. | 26 |
| Obamacare opponents: Abbr. | 26 |
| Obamacare plans, briefly | 24 |
| Obamacare rollout scapegoat | 27 |
| Obamacare support grp. | 22 |
| Obdurate court champ of 1953 | 28 |
| Obedience class command | 23 |
| Obedience lesson subject | 24 |
| Obedience school attendee | 25 |
| Obedience school command | 24 |
| Obedience school lesson | 23 |
| Obedience school no-no | 22 |
| Obedience school objective? | 27 |
| Obedience school order | 22 |
| Obedience school response | 25 |
| Obedience school shout (4) | 26 |
| Obedience school sounds | 23 |
| Obedience school supply | 23 |
| Obedience, as with the law | 26 |
| Obedience-school command | 24 |
| Obedience-school lesson | 23 |
| Obedience-school worker | 23 |
| Obedient dental patients | 24 |
| Obeisance, Cockney style | 24 |
| Oberammergau's ___ play | 27 |