| Operate an Exercycle | 20 |
| Operate a rummage sale | 22 |
| Operate a plane | 15 |
| Operate a loom | 14 |
| Operate a jet | 13 |
| Operate a harvester | 19 |
| Operate a glider | 16 |
| Operate | 7 |
| Operaman portrayer on "Weekend Update" | 48 |
| Operagoer's wear, maybe | 27 |
| Operagoer's box | 19 |
| Operagoer's accessory | 25 |
| Opera-house section | 19 |
| Opera-house level | 17 |
| Opera-house layer | 17 |
| Opera-house highlight | 21 |
| Opera-house feature | 19 |
| Opera-house delivery | 20 |
| Opera-house cheers | 18 |
| Opera-house cheer | 17 |
| Opera-house boxes | 17 |
| Opera-house box | 15 |
| Opera-house accommodation | 25 |
| Opera-going lady? | 17 |
| Opera-going attire | 18 |
| Opera-box wear | 14 |
| Opera-box sight | 15 |
| Opera-box headgear | 18 |
| Opera, with "La" | 26 |
| Opera, ballet and so on | 23 |
| Opera's ___ Te Kanawa | 25 |
| Opera's Varnay et al. | 25 |
| Opera's Stratas | 19 |
| Opera's Stevens | 19 |
| Opera's start | 17 |
| Opera's slave princess | 26 |
| Opera's Simon ___ | 21 |
| Opera's Simon | 17 |
| Opera's Siepi | 17 |
| Opera's Scotto | 18 |
| Opera's Renata | 18 |
| Opera's Obraztsova | 22 |
| Opera's Nellie | 18 |
| Opera's Moser | 17 |
| Opera's Montserrat | 22 |
| Opera's Mario Lanza, for one | 32 |
| Opera's Maria | 17 |
| Opera's Lily | 16 |
| Opera's La ___ | 18 |
| Opera's Hans ___ | 20 |
| Opera's Gluck | 17 |
| Opera's Frederica von --- | 29 |
| Opera's famed La ___ | 24 |
| Opera's Ethiopian princess | 30 |
| Opera's Escamillo, for one | 30 |
| Opera's Emma | 16 |
| Opera's Dame Nellie | 23 |
| Opera's cigarette girl | 26 |
| Opera's Caruso | 18 |
| Opera's Carreras | 20 |
| Opera's Callas | 18 |
| Opera's Caldwell | 20 |
| Opera's birthplace | 22 |
| Opera's Beverly | 19 |
| Opera's --- Te Kanawa | 25 |
| Opera's "Swedish Nightingale" | 43 |
| Opera's "barbiere di qualità " | 46 |
| Opera ___ (or the start of an Old West showman's split personality) | 71 |
| Opera ___ (complete works: Lat.) | 32 |
| Opera ___ (classical music record label) | 40 |
| Opera ___ | 9 |
| Opera with the soprano aria "Ave Maria" | 49 |
| Opera with the aria "Vissi d'arte" | 48 |
| Opera with the aria "Recondita armonia" | 49 |
| Opera with the aria "Qui trarrò Cassio" | 52 |
| Opera with the aria "Largo al factotum," with "The" | 71 |
| Opera with the aria "E lucevan le stelle" | 51 |
| Opera with Princess Amneris | 27 |
| Opera with eye-popping sets? | 28 |
| Opera with elephants and Ethiopians | 35 |
| Opera with elephants | 20 |
| Opera with chariots | 19 |
| Opera with an Egyptian setting | 30 |
| Opera with a swan prop | 22 |
| Opera with a slave girl | 23 |
| Opera with a rustic theme | 25 |
| Opera with "O patria mia" | 35 |
| Opera with "Ave Maria" | 32 |
| Opera whose second act is called "The Gypsy" | 54 |
| Opera whose premiere was delayed by the Franco-Prussian War | 59 |
| Opera wear | 10 |
| Opera voices | 12 |
| Opera voice | 11 |
| Opera villains, often | 21 |
| Opera villainess, usually | 25 |
| Opera villainess, typically | 27 |
| Opera villainess, sometimes | 27 |
| Opera villainess, often | 23 |
| Opera villain, usually | 22 |
| Opera villain, typically | 24 |