| Otologist's device | 22 |
| Otologist's domain | 22 |
| Otologist's instrument | 26 |
| Otologist's purview | 23 |
| Otologist's specialty | 25 |
| Otologist's subject | 23 |
| Otoscope user, for short | 24 |
| Ott of Polo Grounds fame | 24 |
| Ott of the Polo Grounds | 23 |
| Ottava ___ (poetry type) | 24 |
| Ottawa actor Lorne ____ | 23 |
| Ottawa electees, for short | 26 |
| Ottawa NHLers, familiarly | 25 |
| Ottawa war leader, 1763-65 | 26 |
| Ottawa's Chateau ______ | 28 |
| Ottawa's gift to songdom | 28 |
| Ottawa's greatest skater | 28 |
| Ottawa's Paul _____ | 23 |
| Ottawa-based enforcement gp. | 28 |
| Ottawa-based fliers: Abbr. | 26 |
| Ottawa-based media inits. | 25 |
| Ottawa-based media org. | 23 |
| Ottawa-born songwriter | 22 |
| Ottawa-to-Halifax dir. | 22 |
| Otter or manatee, e.g. | 22 |
| Otters' playgrounds | 23 |
| Otto I's domain: Abbr. | 26 |
| Otto I's realm (abbr.) | 26 |
| Otto I's realm, briefly | 27 |
| Otto I's realm: Abbr. | 25 |
| Otto von Bismarck's realm | 29 |
| Otto's "Oh no!" | 29 |
| Otto's "oh!" | 26 |
| Otto's predecessor | 22 |
| Otto's realm: Abbr. | 23 |
| Ottoman conquest of 1458 | 24 |
| Ottoman dynasty founder | 23 |
| Ottoman Empire bigwigs | 22 |
| Ottoman Empire dignitaries | 26 |
| Ottoman Empire founder | 22 |
| Ottoman Empire governor | 23 |
| Ottoman Empire governors | 24 |
| Ottoman Empire inhabitants | 26 |
| Ottoman Empire officer | 22 |
| Ottoman Empire officers | 23 |
| Ottoman Empire official | 23 |
| Ottoman Empire officials | 24 |
| Ottoman governors of yore | 25 |
| Ottoman honorific (Var.) | 24 |
| Ottoman imperial standard | 25 |
| Ottoman official (Var.) | 23 |
| Ottoman official of yore | 24 |
| Ottoman officials (Var.) | 24 |
| Ottoman potentates (Var.) | 25 |
| Ottoman rulers of yore | 22 |
| Ottoman's descendant | 24 |
| Ouagadougou's continent | 27 |
| Ought to have, in slang | 23 |
| Ought to have, informally | 25 |
| Ouija board alternative | 23 |
| Ouija board, allegedly | 22 |
| Ounce of protection worth | 25 |
| Our "mother" | 22 |
| Our appropriate year-end wish | 29 |
| Our counterpart in France? | 26 |
| Our first chief justice | 23 |
| Our Gang's Fat Joe | 22 |
| Our Gang's ring-eyed dog | 28 |
| Our heaviest president | 22 |
| Our Lady Peace '94 album | 28 |
| Our longest serving PM | 22 |
| Our Miss Brooks role | 23 |
| Our Miss Brooks star | 23 |
| Our most easterly provs. | 24 |
| Our most popular pastime | 24 |
| Our planet, to a Berliner | 25 |
| Our planet, to a German | 23 |
| Our planet, to the French | 25 |
| Our planetary neighbor | 22 |
| Our portliest president | 23 |
| Our sun, to astronomers | 23 |
| Our thanksgiving begins | 23 |
| Our thanksgiving continues | 26 |
| Our ultimate team sport | 23 |
| Our Valentine song singer | 25 |
| Our Valentine verse begins | 26 |
| Our Valentine verse continues | 29 |
| Our, to Père Noël | 23 |
| Ours, in parts of Quebec | 24 |
| Oust for nonpayment of rent | 27 |
| Oust from a high office | 23 |
| Ousted from a camp cot? | 23 |
| Out and out blitzkrieg | 22 |
| Out around midday, say | 22 |
| Out at the dentist's? | 25 |
| Out at the prom, maybe | 22 |
| Out beyond the breakers | 23 |
| Out for a sandwich, perhaps | 27 |
| Out for lunch, perhaps | 22 |
| Out for someone on the inside | 29 |