| Three-masted vessel | 19 |
| Three-masted ships | 18 |
| Three-masted ship | 17 |
| Three-masted schooners | 22 |
| Three-masted schooner | 21 |
| Three-masted sailing ships | 26 |
| Three-masted sailing ship | 25 |
| Three-masted Medit. vessels | 27 |
| Three-man vessel? | 17 |
| Three-line work | 15 |
| Three-line verse | 16 |
| Three-line stanza | 17 |
| Three-line rhyme | 16 |
| Three-line poems | 16 |
| Three-line poem rhyme scheme | 28 |
| Three-line poem | 15 |
| Three-line Japanese verse | 25 |
| Three-line Japanese poem | 24 |
| Three-letter, union-forming phrase | 34 |
| Three-letter sequence | 21 |
| Three-letter phrase | 19 |
| Three-letter diner order | 24 |
| Three-letter designator code for the largest carrier out of Denver Intl. | 72 |
| Three-letter combo | 18 |
| Three-letter combinations hidden in this puzzle's six other longest answers | 79 |
| Three-letter acronym for Mad Cow Disease | 40 |
| Three-letter acronym aka Mad Cow Disease | 40 |
| Three-legged ____ | 17 |
| Three-legged supports | 21 |
| Three-legged support | 20 |
| Three-legged stands | 19 |
| Three-legged stand for a hot dish | 33 |
| Three-legged stand | 18 |
| Three-legged racing at a nudist colony? | 39 |
| Three-legged piece | 18 |
| Three-legged perch | 18 |
| Three-legged ornamental table | 29 |
| Three-legged instruments | 24 |
| Three-legged endeavor | 21 |
| Three-legged device | 19 |
| Three-legged calf, for one | 26 |
| Three-legged calf, e.g. | 23 |
| Three-legged art stand | 22 |
| Three-legged and drag | 21 |
| Three-layered treats | 20 |
| Three-layered snack | 19 |
| Three-layered cookies | 21 |
| Three-layer treats | 18 |
| Three-layer treat | 17 |
| Three-layer snacks | 18 |
| Three-layer snack | 17 |
| Three-layer fishnet | 19 |
| Three-layer cookies | 19 |
| Three-layer cookie | 18 |
| Three-L lllama? | 15 |
| Three-kind connector | 20 |
| Three-ingredient treats | 23 |
| Three-ingredient desserts | 25 |
| Three-ingredient breakfast serving? | 35 |
| Three-ingredient 'wich | 26 |
| Three-inch putt | 15 |
| Three-in-___ | 12 |
| Three-in-one vaccine, familiarly | 32 |
| Three-in-one M.D. | 17 |
| Three-in-one | 12 |
| Three-in-a-row game | 19 |
| Three-hulled sailboat | 21 |
| Three-hulled boat | 17 |
| Three-horse vehicle | 19 |
| Three-horse team | 16 |
| Three-horse sleigh | 18 |
| Three-horse shay | 16 |
| Three-horse Russian vehicle | 27 |
| Three-horse Russian carts | 25 |
| Three-horse open sleigh | 23 |
| Three-horse chariot | 19 |
| Three-horse carriages | 21 |
| Three-horse carriage | 20 |
| Three-horned dinosaur | 21 |
| Three-headed watchdog of myth | 29 |
| Three-headed goddess | 20 |
| Three-hanky picture | 19 |
| Three-hanky film? | 17 |
| Three-hanky film | 16 |
| Three-handed game | 17 |
| Three-handed card games | 23 |
| Three-handed card game | 22 |
| Three-hand card game | 20 |
| Three-fourths of a bushel | 25 |
| Three-four time dancer | 22 |
| Three-footer? | 13 |
| Three-footed | 12 |
| Three-foot-tall droid | 21 |
| Three-foot piece | 16 |
| Three-foot measure | 18 |
| Three-food chain | 16 |
| Three-fingered saluter | 22 |
| Three-fifths of the world's people | 38 |
| Three-fifths of "nanny" | 33 |
| Three-Fifths Compromise subjects | 32 |