| Observation after too many wrong turns | 38 |
| Observation after a Bush walk? | 30 |
| Observation after "Clean your room!" | 46 |
| Observation about sprouting aromatic plants? | 44 |
| Observation about Las Vegas? | 28 |
| Observation (Part 4) | 20 |
| Observation (Part 3) | 20 |
| Observation (Part 2) | 20 |
| Observation | 11 |
| Observant type | 14 |
| Observant person | 16 |
| Observant people, say | 21 |
| Observant people | 16 |
| Observant ones | 14 |
| Observant one | 13 |
| Observant Muslim, at times | 26 |
| Observant Mormons, e.g. | 23 |
| Observant individual | 20 |
| Observant hobbyist | 18 |
| Observant folks | 15 |
| Observant | 9 |
| Observances of the law | 22 |
| Observances | 11 |
| Observance through Oct. | 23 |
| Observance prescribed in the Book of Esther | 43 |
| Observance one week before Easter | 33 |
| Observance on the 40th day after Easter | 39 |
| Observance of moral law | 23 |
| Observance of correctness | 25 |
| Observance of 1976 | 18 |
| Observance made official by President Wilson in 1914 | 52 |
| Observance given its current name in 1954 | 41 |
| Observance before Easter | 24 |
| Observance 'shuffled' in this puzzle | 44 |
| Observance | 10 |
| Observably ashamed | 18 |
| Observable | 10 |
| Obsequy song | 12 |
| Obsequious sort | 15 |
| Obsequious person | 17 |
| Obsequious one | 14 |
| Obsequious group | 16 |
| Obsequious gesture | 18 |
| Obsequious flattery | 19 |
| Obsequious flatterer | 20 |
| Obsequious Dickens character | 28 |
| Obsequious answers | 18 |
| Obsequious | 10 |
| Obsequies | 9 |
| Obsecrate | 9 |
| Obscurity | 9 |
| Obscurities | 11 |
| Obscuring rays (5) | 18 |
| Obscuring hazes | 15 |
| Obscuring cloud | 15 |
| Obscuring atmospheres | 21 |
| Obscures, with "up" | 29 |
| Obscures, to the Bard | 21 |
| Obscures, in a way, with "up" | 39 |
| Obscures fully | 14 |
| Obscures | 8 |
| Obscurer of trees, for some | 27 |
| Obscurer of Dorothy's dog? | 30 |
| Obscured, with "out" | 30 |
| Obscured by haze | 16 |
| Obscured | 8 |
| Obscure, as vision | 18 |
| Obscure utterings | 17 |
| Obscure to view | 15 |
| Obscure things | 14 |
| Obscure stuff | 13 |
| Obscure riddles | 15 |
| Obscure or dark | 15 |
| Obscure matters | 15 |
| Obscure album | 13 |
| Obscure | 7 |
| Obscenity watcher: Abbr. | 24 |
| Obscenity obscurer, sometimes | 29 |
| Obscenity | 9 |
| Obscenities | 11 |
| Obscene, probably | 17 |
| Obscene, in the dict. | 21 |
| Obscene stuff | 13 |
| Obscene material | 16 |
| Obscene | 7 |
| OBs, for example | 16 |
| OBs, e.g. | 9 |
| OBP, e.g. | 9 |
| Obovoid pome | 12 |
| Obote's successor | 21 |
| Obote's overthrower | 23 |
| Obote's deposer | 19 |
| Obote overthrower | 17 |
| Oboler of radio fame | 20 |
| Obolensky | 9 |
| Oboists' section | 20 |
| Oboists' needs | 18 |
| Oboists' buys | 17 |
| Oboists need them | 17 |
| Oboist's supply | 19 |