| Officer on the Enterprise bridge | 32 |
| Officer on the bridge with Spock and Uhura | 42 |
| Officer on the beat | 19 |
| Officer on a ship | 17 |
| Officer on a PT boat: Abbr. | 27 |
| Officer on a merchant vessel | 28 |
| Officer on 'Star Trek: The Next Generation' | 51 |
| Officer of tomorrow | 19 |
| Officer of the peace | 20 |
| Officer of the Ottoman Empire | 29 |
| Officer of the law | 18 |
| Officer of the future | 21 |
| Officer of the English royal household | 38 |
| Officer of the Bounty | 21 |
| Officer of high rank | 20 |
| Officer of a sort | 17 |
| Officer Malloy of "Adam 12" | 37 |
| Officer in training | 19 |
| Officer in the original "Star Trek" | 45 |
| Officer in old Rome | 19 |
| Officer in charge of the stewards | 33 |
| Officer in charge of the king's table linen | 47 |
| Officer in charge of the kiddie pool? | 37 |
| Officer in charge of provisions | 31 |
| Officer in charge of a ship's rigging, informally | 53 |
| Officer in "Alice's Restaurant" | 45 |
| Officer Gannon's friend | 27 |
| Officer Friday's TV show | 28 |
| Officer Frank Poncherello portrayer of '70s-'80s TV | 59 |
| Officer Dibble's nemesis, in cartoons | 41 |
| Officer Dibble's nemesis | 28 |
| Officer Dibble's cartoon nemesis | 36 |
| Officer Candidate Sch. | 22 |
| Officer below capt. | 19 |
| Officer appointed from enlisted personnel | 41 |
| Officer | 7 |
| OfficeMax purchase | 18 |
| Officemate of Don and Peggy on "Mad Men" | 50 |
| Officemate | 10 |
| Officejet Pro printers | 22 |
| Officeholding group | 19 |
| Officeholders, for short | 24 |
| Officeholders | 13 |
| Officeholder, for short | 23 |
| Officeholder's promise | 26 |
| Officeholder's office | 25 |
| Officeholder's initial promise | 34 |
| Officeholder's bane | 23 |
| Officeholder who accomplishes little | 36 |
| Officeholder for short | 23 |
| Officeholder | 12 |
| Office-wall sign | 16 |
| Office-supply item | 18 |
| Office-seeker: Abbr. | 20 |
| Office-pool members | 19 |
| Office-pool member | 18 |
| Office-phone feature | 20 |
| Office-inappropriate, in web shorthand | 38 |
| Office-holders | 14 |
| Office-furniture pieces | 23 |
| Office-file name | 16 |
| Office-cooler specialty | 23 |
| Office-chair feature | 20 |
| Office-building no-no | 21 |
| Office, in Santander | 20 |
| Office, e.g. | 12 |
| Office's letter center | 26 |
| Office ___ (candidate) | 22 |
| Office ___ | 10 |
| Office __: Staples rival | 24 |
| Office writings | 15 |
| Office writing | 14 |
| Office workstations, maybe | 26 |
| Office workspaces | 17 |
| Office workplaces | 17 |
| Office workers, for short | 25 |
| Office workers, collectively | 28 |
| Office workers' letters | 27 |
| Office workers | 14 |
| Office worker? | 14 |
| Office worker, for short | 24 |
| Office worker's underwear? | 30 |
| Office worker's necessity | 29 |
| Office worker's fastener | 28 |
| Office worker's calendar | 28 |
| Office worker without immigration problems? | 43 |
| Office worker who lost his cabinet? | 35 |
| Office worker just for the day | 30 |
| Office worker | 13 |
| Office work areas | 17 |
| Office wkr. | 11 |
| Office wear | 11 |
| Office wastebasket, facetiously | 31 |
| Office wagering scheme | 22 |
| Office wagering | 15 |
| Office VIP | 10 |
| Office vessel | 13 |
| Office V.I.P., for short | 24 |
| Office V.I.P.'s | 19 |
| Office V.I.P. | 13 |