| World War I submarine type | 26 |
| World War I veteran who served as a U.S. president | 50 |
| World War II admiral | 20 |
| World War II Air Force commander ___ Arnold | 43 |
| World War II alliance | 21 |
| World War II army magazine | 26 |
| World War II battle site, 1942 | 30 |
| World War II danger | 19 |
| World War II faction | 20 |
| World War II film, part 1, 2 or 3 | 33 |
| World War II general | 20 |
| World War II General Bradley | 28 |
| World War II general George | 27 |
| World War II hero | 17 |
| World War II leader | 19 |
| World War II memoir, "God ___ Co-Pilot" | 49 |
| World War II org. | 17 |
| World War II partnership | 24 |
| World War II spy org. | 21 |
| World War II sub | 16 |
| World War II tank | 17 |
| World War II vessel | 19 |
| World War II vessels | 20 |
| World War II veteran who served as a U.S. president | 51 |
| World War II victors | 20 |
| World War II weapon | 19 |
| World War II weapon with an acronymic name | 42 |
| World War II's Battle of the ___ | 36 |
| World War marine menaces | 24 |
| World War side | 14 |
| World waters | 12 |
| World weariness | 15 |
| World web clutter | 17 |
| World Wide phenomenon | 21 |
| World Wide Web code | 19 |
| World Wide Web inventor Berners-Lee | 35 |
| World Wide __ | 13 |
| World Wide ___ | 14 |
| World wide: Abbr. | 17 |
| World Wildlife Fund symbol | 26 |
| World Wildlife Fund's logo | 30 |
| World Wildlife Fund's symbol | 32 |
| World Wind developer | 20 |
| World workers agcy. | 19 |
| World workers' assn. | 24 |
| World __ | 8 |
| World ___ | 9 |
| World ___ (1914–18) | 26 |
| World ___ (October sporting event) | 34 |
| World ___ Center, N.Y.C. | 24 |
| World's access to the maker of a better mousetrap | 53 |
| World's best people | 23 |
| World's best-selling cookie | 31 |
| World's best-selling fashion mag | 36 |
| World's best-selling recording artist of the '90s | 57 |
| World's best-selling sports car | 35 |
| World's Biggest Bookstore site | 34 |
| World's biggest city built on continuous permafrost | 55 |
| World's biggest holdup man | 30 |
| World's biggest private employer | 36 |
| World's busiest airport | 27 |
| World's busiest airport until 1998 | 38 |
| World's busiest airport: Abbr. | 34 |
| World's coldest desert | 26 |
| World's deepest river | 25 |
| World's fair | 16 |
| World's Fair city: 1970 | 27 |
| World's Fair kin | 20 |
| World's fair pavilion | 25 |
| World's Fair Sally | 22 |
| World's Fair site: 1970 | 27 |
| World's Fair, e.g. | 22 |
| World's Fair, for one | 25 |
| World's fair, for short | 27 |
| World's fairs | 17 |
| World's fastest runner | 26 |
| World's fastest sport | 25 |
| World's fifth largest country | 33 |
| World's fifth-largest island | 32 |
| World's first 35mm camera | 29 |
| World's first apple eater | 29 |
| World's first carrier with a transpolar route | 49 |
| World's first certified gold record, 1942 | 45 |
| World's first computer | 26 |
| World's first large-scale computer | 38 |
| World's first national park | 31 |
| World's first sound cartoon | 31 |
| World's fourth-largest inland body of water | 47 |
| World's fourth-largest isl. | 31 |
| World's fourth-most populous country | 40 |
| World's greatest coffee port | 32 |
| World's highest capital | 27 |
| World's highest capital city | 32 |
| World's highest capital city at almost 12,000 feet | 54 |
| World's highest country | 27 |
| World's highest land | 24 |
| World's highest large lake | 30 |
| World's highest mountain | 28 |
| World's highest peak | 24 |
| World's highest region | 26 |