| Official lang. of Malawi | 24 |
| Official lang. of Malta | 23 |
| Official lang. of Mauritius | 27 |
| Official language in Katmandu | 29 |
| Official language of Austria | 28 |
| Official language of Calif. | 27 |
| Official language of Cambodia | 29 |
| Official language of China | 26 |
| Official language of India | 26 |
| Official language of Kenya | 26 |
| Official language of Libya | 26 |
| Official language of Pakistan | 29 |
| Official language of Tanzania | 29 |
| Official language of Uganda | 27 |
| Official loafer of the realm? | 29 |
| Official NBA apparel provider | 29 |
| Official of ancient Rome | 24 |
| Official of old Venice | 22 |
| Official often seen crouching | 29 |
| Official on the field (Abbr.) | 29 |
| Official paperwork, for short | 29 |
| Official pecking order | 22 |
| Official political philosophy | 29 |
| Official political policies | 27 |
| Official proclamations | 22 |
| Official pronouncements | 23 |
| Official record of a meeting | 28 |
| Official release documents | 26 |
| Official representative | 23 |
| Official rule, in slang | 23 |
| Official scorer's job | 25 |
| Official scorer's ruling | 28 |
| Official seal on a document | 27 |
| Official Soviet newspaper | 25 |
| Official state dog of Alaska | 28 |
| Official symbols of Arizona | 27 |
| Official ties of New Mexico | 27 |
| Official travel overseas | 24 |
| Official who checks accounts | 28 |
| Official who hears complaints | 29 |
| Official who sings in Hebrew | 28 |
| Official with a beard, often | 28 |
| Official with a stopwatch | 25 |
| Official with a whistle | 23 |
| Official witness, of a kind | 27 |
| Officially accepted works | 25 |
| Officially acknowledged | 23 |
| Officially bar from entry | 25 |
| Officially leave bachelorhood | 29 |
| Officially listed: Abbr. | 24 |
| Officially starts work | 22 |
| Officially, Alcatraz had none | 29 |
| Officially, the Hoover | 22 |
| Officials behind batters | 24 |
| Officials like Bowie Kuhn | 25 |
| Officials on a diamond | 22 |
| Officials on the court | 22 |
| Officials with pull right now | 29 |
| Officials with stopwatches | 26 |
| Officials with whistles | 23 |
| Officiate at home plate | 23 |
| Officiate at Thanksgiving | 25 |
| Officiate on Thanksgiving | 25 |
| Officiated at a track event | 27 |
| Officiated at blackjack | 23 |
| Officiated in field hockey | 26 |
| Officiated on a diamond | 23 |
| Officiated on the court | 23 |
| Officiates at the tea table | 27 |
| Officiously intermeddle | 23 |
| Offloading of a purchase | 24 |
| Offroad goer, for short | 23 |
| Offroad vehicle, for short | 26 |
| Offs, with "off" | 26 |
| Offset, with "for" | 28 |
| Offset, with "out" | 28 |
| Offshoot of Dream Street | 24 |
| Offshoot of the Winnebagos | 26 |
| Offshore accommodations | 23 |
| Offshore and then some | 22 |
| Offshore Asian capital | 22 |
| Offshore attention-getter | 25 |
| Offshore eyesore, to some | 25 |
| Offshore site, sometimes | 24 |
| Offspring "We ___" | 28 |
| Offspring in the offing | 23 |
| Offspring of bucks and does | 27 |
| Offspring of Chaos, to Hesiod | 29 |
| Offspring of hip-hop stars? | 27 |
| Offspring's inheritance | 27 |
| Offspring; race: Comb. form | 27 |
| Oft-abbreviated Latin phrase | 28 |
| Oft-adjusted items on planes | 28 |
| Oft-besieged city in Europe | 27 |
| Oft-blown circuit component | 27 |
| Oft-burned '60s garment | 27 |
| Oft-caricatured Wintour | 23 |
| Oft-cited last letteer | 22 |
| Oft-confiscated document | 24 |
| Oft-counterfeited items | 23 |