| Ornate tobacco pipes (var.) | 27 |
| Ornate vase | 11 |
| Ornate wall hanging | 19 |
| Ornate wardrobe | 15 |
| Ornate wardrobe cabinet | 23 |
| Ornate wardrobes | 16 |
| Ornate window | 13 |
| Ornate writing | 14 |
| Ornate, as prose | 16 |
| Ornate, as writing | 18 |
| Ornate, like a peacock's tail | 33 |
| Ornately embossed edibles | 25 |
| Orne's capital | 18 |
| Ornery | 6 |
| Ornery and unyielding | 21 |
| Ornery cartoon character | 24 |
| Ornery critter | 14 |
| Ornery farm animal | 18 |
| Ornery fellow | 13 |
| Ornery folks | 12 |
| Ornery mood | 11 |
| Ornery one | 10 |
| Ornery quality | 14 |
| Ornery sort | 11 |
| Ornery type | 11 |
| Ornery Warner Bros. cartoon character | 37 |
| Ornette Coleman genre | 21 |
| Ornis | 5 |
| Ornithologic | 12 |
| Ornithological | 14 |
| Ornithological facial spaces | 28 |
| Ornithologist | 13 |
| Ornithologist employer | 22 |
| Ornithologist's adjective | 29 |
| Ornithologist's asset? | 26 |
| Ornithologist's concern | 27 |
| Ornithologist's finds | 25 |
| Ornithologist's request on "Wheel of Fortune"? | 60 |
| Ornithologist's study | 25 |
| Ornithologist, e.g. | 19 |
| Ornithologists' bird-tagging outing? | 40 |
| Ornithologists' major bird-tagging event? | 45 |
| Ornithology-related | 19 |
| Ornithophiles' purchases | 28 |
| Ornithophobe's fear | 23 |
| Oro y __: Montana's motto | 29 |
| Oro y ___ (Montana's motto) | 31 |
| Oro y ___ (motto of Montana) | 28 |
| Oro y ____ | 10 |
| Oromocto area code | 18 |
| Orono campus | 12 |
| Orono, Maine, is a suburb of it | 31 |
| Orotund | 7 |
| Oroville and Coulee | 19 |
| Orozco and Rivera | 17 |
| Orozco creation | 15 |
| Orozco opus | 11 |
| Orozco painting, e.g. | 21 |
| Orozco piece | 12 |
| Orozco work | 11 |
| Orozco's "another" | 32 |
| Orozco's other | 18 |
| Orozco's other one | 22 |
| Orphan Annie features | 21 |
| Orphan Annie protector | 22 |
| Orphan Annie's benefactor | 29 |
| Orphan Annie's dog | 22 |
| Orphan Annie's friend | 25 |
| Orphan Annie's lizards | 26 |
| Orphan Annie's Oriental friend | 34 |
| Orphan Annie's protector | 28 |
| Orphan boy of old comics | 24 |
| Orphan Edwin of fiction | 23 |
| Orphan girl et al. | 18 |
| Orphan girl in Byron's "Don Juan" | 47 |
| Orphan in a "choppy" rhyme | 36 |
| Orphan of comics | 16 |
| Orphan of literature | 20 |
| Orphan of old comics | 20 |
| Orphan of stage and film | 24 |
| Orphan of the comics | 20 |
| Orphan of the storm | 19 |
| Orphan on B'way | 19 |
| Orphan's "Arf!" utterer | 37 |
| Orphan's kin, in typesetting | 32 |
| Orphan's need | 17 |
| Orphan's new parent | 23 |
| Orphanage fare, once | 20 |
| Orphanage problems | 18 |
| Orphanage started by an Oscar-winning actress? | 46 |
| Orphaned | 8 |
| Orphaned author raised by the Allans | 36 |
| Orphaned Brontë heroine | 26 |
| Orphaned child | 14 |
| Orphaned lion of literature | 27 |
| Orphans, often | 14 |
| Orpheus and others, musically | 29 |
| Orpheus played it | 17 |
| Orpheus played one | 18 |
| Orpheus' instrument | 23 |