| Occasion to cry "O, poi!" | 35 |
| Occasion pertinent to this puzzle | 33 |
| Occasion of the chase (11/17/90, e.g.) | 38 |
| Occasion for the Vietnamese holiday Tet | 39 |
| Occasion for strewing clothes on the lawn | 41 |
| Occasion for some initial casting | 33 |
| Occasion for some extra primping | 32 |
| Occasion for sending an ecard, maybe | 36 |
| Occasion for sandwiches and scones | 34 |
| Occasion for rolling out the red carpet | 39 |
| Occasion for reading the Haggadah | 33 |
| Occasion for many senior moments? | 33 |
| Occasion for facing a hostile crowd | 35 |
| Occasion for carrying "mad money" | 43 |
| Occasion for a surprise attack in 'nam | 42 |
| Occasion for a ribbon-cutting ceremony | 38 |
| Ocasek's group (with "The") | 41 |
| Obviously-named American financial giant | 40 |
| Obviously ready to make a purchase | 34 |
| Obviously doesn't know the words | 36 |
| Obvious trait of a certain two-digit number? | 44 |
| Obtrusively bright, like a needlefish? | 38 |
| Obtain, as a suspect, from another state | 40 |
| Obtain with great effort, with "out" | 46 |
| Obtain the optimal result on a hand, in hearts | 46 |
| Obtain the hard way, with "out" | 41 |
| Obtain elsewhere, as parts or supplies | 38 |
| Obstruction at the entrance to a cave, maybe | 44 |
| Obstructing progress, informally | 32 |
| Obstetrician's guess?: Abbr. | 32 |
| Obstetrician's determination | 32 |
| Obstacle-course racing division for cats or dogs | 48 |
| Obstacle to compromise, at times | 32 |
| Obstacle to a city planner's vision? | 40 |
| Obstacle on the way to second base? | 35 |
| Obstacle in father-son relations | 32 |
| Obstacle for George of the Jungle | 33 |
| Obstacle for a sleeping princess | 32 |
| Obstacle encountered at 12 a.m.? | 32 |
| Obstacle course in some video games | 35 |
| Obsolete term for legal insanity | 32 |
| Obsolete program saver, for short | 33 |
| Obsolete palindromic preposition | 32 |
| Obsolete form of "to be" | 34 |
| Obsolete for "obsolete" | 33 |
| Obsolete "for fear that" | 34 |
| Obsolescent communication devices | 33 |
| Obsolescent alternative to broadband | 36 |
| Obsessive-compulsive soap purger? | 33 |
| Obsessive zeal for a single thing | 33 |
| Obsession with Wills and Kate, say | 34 |
| Obsession for repeating certain words | 37 |
| Obsess on one idea, to a letter writer? | 39 |
| Observes a religious holiday, in a way | 38 |
| Observers of a W.Va. legislator? | 32 |
| Observer of a West Virginia senator? | 36 |
| Observatory observation, perhaps | 32 |
| Observation while passing the buck | 34 |
| Observation posts for Peeping Toms | 34 |
| Observation from Bill Cosby, part 1 | 35 |
| Observation after too many wrong turns | 38 |
| Observation after "Clean your room!" | 46 |
| Observation about sprouting aromatic plants? | 44 |
| Observance prescribed in the Book of Esther | 43 |
| Observance one week before Easter | 33 |
| Observance on the 40th day after Easter | 39 |
| Observance given its current name in 1954 | 41 |
| Observance 'shuffled' in this puzzle | 44 |
| Obscures, in a way, with "up" | 39 |
| Oboist at a music store, perhaps? | 33 |
| Oboes' lower-pitched cousins | 32 |
| Obnoxious Presidential advisers? | 32 |
| Obnoxious coinage by Rush Limbaugh | 34 |
| Oblong appetizer served with crackers | 37 |
| Obliterate, with "down" | 33 |
| Oblique-angled, four-sided figure | 33 |
| Obligatory contribution of a sort | 33 |
| Obligations requiring payment in hay? | 37 |
| Obligation payable within a year (37) | 37 |
| Obligation (or where it might fall?) | 36 |
| Objects with drawers for drawers | 32 |
| Objects too small to be specified | 33 |
| Objects of Wayne and Garth's fancy | 38 |
| Objects of computer instructions | 32 |
| Objects in a phrase about daftness | 34 |
| Objects for "Ryan's Express" | 42 |
| Objects employed to show everyday life | 38 |
| Objects decorated with a black alloy | 36 |
| Objects contemplated during omphaloskepsis | 42 |
| Objector to "nattering nabobs" | 40 |
| Objectives of some night students: Abbr. | 40 |
| Objective of some two-year plans | 32 |
| Objective case of "thou" | 34 |
| Objection on the grounds of scruples | 36 |
| Objected to a shearing, possibly | 32 |
| Object with three round projections | 35 |
| Object used for Halloween pranking? | 35 |
| Object under a magnifying glass, maybe | 38 |
| Object thrown at a demonstration? | 33 |
| Object thrown at a cheating husband? | 36 |