| Orthodontist's grp. | 23 |
| Orthodontist's fee? | 23 |
| Orthodontist's diagnosis | 28 |
| Orthodontist's degree | 25 |
| Orthodontist's deg. | 23 |
| Orthodontist's creation | 27 |
| Orthodontist's concerns | 27 |
| Orthodontist's concern | 26 |
| Orthodontist's challenge | 28 |
| Orthodontist's bay? | 23 |
| Orthodontic challenges | 22 |
| Orson: "Bright ___" | 29 |
| Orson's favorite legume? | 28 |
| Orson Welles's old studio | 29 |
| Orson Welles's birthplace | 29 |
| Orson Welles' birthplace | 28 |
| Orson Welles role of 1972 | 25 |
| Orson Scott Card protagonist | 28 |
| Orson "Bright ___" | 28 |
| Orrin Hatch, for one (abbr.) | 28 |
| Orrin Hatch's state | 23 |
| Orr's orbit: abbr. | 22 |
| Orr teammate, for short | 23 |
| Orr teammate, familiarly | 24 |
| Orr colleague, familiarly | 25 |
| Orquesta tÃpica pieces | 25 |
| Orpheus-Eurydice tale, e.g. | 27 |
| Orpheus, Heracles et al | 23 |
| Orpheus, as a musician | 22 |
| Orpheus's instrument | 24 |
| Orpheus' instrument | 23 |
| Orpheus and others, musically | 29 |
| Orphaned lion of literature | 27 |
| Orphaned Brontë heroine | 26 |
| Orphan's new parent | 23 |
| Orphan of stage and film | 24 |
| Orphan Edwin of fiction | 23 |
| Orphan boy of old comics | 24 |
| Orphan Annie's protector | 28 |
| Orphan Annie's lizards | 26 |
| Orphan Annie's friend | 25 |
| Orphan Annie's dog | 22 |
| Orphan Annie's benefactor | 29 |
| Orphan Annie protector | 22 |
| Orozco's other one | 22 |
| Oro y ___ (motto of Montana) | 28 |
| Oro y __: Montana's motto | 29 |
| Ornithophobe's fear | 23 |
| Ornithophiles' purchases | 28 |
| Ornithologist's study | 25 |
| Ornithologist's finds | 25 |
| Ornithologist's concern | 27 |
| Ornithologist's asset? | 26 |
| Ornithologist's adjective | 29 |
| Ornithologist employer | 22 |
| Ornithological facial spaces | 28 |
| Ornery cartoon character | 24 |
| Ornately embossed edibles | 25 |
| Ornate wardrobe cabinet | 23 |
| Ornate tobacco pipes (var.) | 27 |
| Ornate thing-on-a-string? | 25 |
| Ornate 18th-century style | 25 |
| Ornamented, as curtains | 23 |
| Ornamented part of a gondola | 28 |
| Ornamentations on costumes | 26 |
| Ornamentational styles | 22 |
| Ornamental, poisonous shrub | 27 |
| Ornamental wall section | 23 |
| Ornamental wall recess | 22 |
| Ornamental tropical shrub | 25 |
| Ornamental trees or shrubs | 26 |
| Ornamental tree of the Orient | 29 |
| Ornamental tobacco holder | 25 |
| Ornamental street tree | 22 |
| Ornamental shoulder pad | 23 |
| Ornamental rooftop structures | 29 |
| Ornamental pond feature | 23 |
| Ornamental plume producers | 26 |
| Ornamental piece of drapery | 27 |
| Ornamental pattern, in art | 26 |
| Ornamental pattern in art | 25 |
| Ornamental notions case | 23 |
| Ornamental needle cases | 23 |
| Ornamental needle case | 22 |
| Ornamental light fixture | 24 |
| Ornamental lace edging | 22 |
| Ornamental jewelry stone | 24 |
| Ornamental Japanese fish | 24 |
| Ornamental Japanese carp | 24 |
| Ornamental green stone | 22 |
| Ornamental grating, e.g. | 24 |
| Ornamental grating on a car | 27 |
| Ornamental gilded bronze | 24 |
| Ornamental gate or grill | 24 |
| Ornamental flowering vine | 25 |
| Ornamental flower, for short | 28 |
| Ornamental flower shape | 23 |
| Ornamental evergreen shrub | 26 |
| Ornamental embroidered hole | 27 |
| Ornamental Eastern cup | 22 |