| 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 |
| Oberhausen "Oh!" | 26 |
| Oberhausen "oh" | 25 |
| Oberhausen opera highlight | 26 |
| Oberhausen's region | 23 |
| Oberlin College's state | 27 |
| Oberlin, for one: Abbr. | 23 |
| Oberon's better half | 24 |
| Obese author's admission? | 29 |
| Obese one's nickname | 24 |
| Obey a bailiff's order | 26 |
| Obey a triangular sign | 22 |
| Obey an eight-sided sign | 24 |
| Obey an eviction notice | 23 |
| Obey an order of protection | 27 |
| Obey Bob Barker, in a way | 25 |
| Obey the dental hygienist | 25 |
| Obey the dentist, perhaps | 25 |
| Obey the Queen of Hearts? | 25 |
| Obey, with "by" | 25 |
| Obeyed a canine command | 23 |
| Obeyed a cop's command | 26 |
| Obeyed Master, in a way | 23 |
| Obeyed the alarm clock | 22 |
| Obeyed the photographer | 23 |
| Obeying a dog school command | 28 |
| Obeys an octagonal sign | 23 |
| Obeys the dental hygienist | 26 |
| Obeys the doctor, in a way | 26 |