| Three, per an adage | 19 |
| Three, perhaps | 14 |
| Three, proverbially | 19 |
| Three, say | 10 |
| Three, so they say | 18 |
| Three, somewhere in the world | 29 |
| Three, they say | 15 |
| Three, to a couple | 18 |
| Three, to a dealer | 18 |
| Three, to Agrippa | 17 |
| Three, to Aldo | 14 |
| Three, to Amati | 15 |
| Three, to Angela Merkel | 23 |
| Three, to Caesar | 16 |
| Three, to Cicero | 16 |
| Three, to Geretti | 17 |
| Three, to Gina | 14 |
| Three, to Hans | 14 |
| Three, to Klaus | 15 |
| Three, to Luciano | 17 |
| Three, to Ludwig | 16 |
| Three, to Luigi | 15 |
| Three, to Marie | 15 |
| Three, to Mario | 15 |
| Three, to Mastroianni | 21 |
| Three, to Nero | 14 |
| Three, to nine | 14 |
| Three, to Romans in 2014 | 24 |
| Three, to start with | 20 |
| Three, to Tasso | 15 |
| Three, to Teobaldo | 18 |
| Three, to Tiberius | 18 |
| Three, to Tomaso | 16 |
| Three, to Tomás | 18 |
| Three, to Tonio | 15 |
| Three, to Trudeau | 17 |
| Three, to Werner | 16 |
| Three, up front | 15 |
| Three- -- sloth | 15 |
| Three- -- stickleback | 21 |
| Three- to six-year financial commitment, usually | 48 |
| Three- ___ sloth | 16 |
| Three-''mois'' period | 37 |
| Three-act Wagner opera | 22 |
| Three-alarm dish | 16 |
| Three-alarm event | 17 |
| Three-and-a-half-year-old red Muppet | 36 |
| Three-bagger | 12 |
| Three-bagger, e.g. | 18 |
| Three-baggers | 13 |
| Three-ball family project, typically | 36 |
| Three-ball winter project | 25 |
| Three-banded armadillo | 22 |
| Three-banked craft | 18 |
| Three-base hit | 14 |
| Three-base hits | 15 |
| Three-base hits: Abbr. | 22 |
| Three-bean and green | 20 |
| Three-bean dish | 15 |
| Three-beat gait | 15 |
| Three-bet | 9 |
| Three-card con | 14 |
| Three-card con game | 19 |
| Three-card game | 15 |
| Three-card games | 16 |
| Three-card guy? | 15 |
| Three-card hustle | 17 |
| Three-card monte and thimblerig | 31 |
| Three-card monte assistant | 26 |
| Three-card monte is one | 23 |
| Three-card monte shill | 22 |
| Three-card monte, e.g. | 22 |
| Three-card monte, notably | 25 |
| Three-card scam | 15 |
| Three-card sequence | 19 |
| Three-card street con | 21 |
| Three-card street scam | 22 |
| Three-card ___ | 14 |
| Three-card ___ (con game) | 25 |
| Three-coin fountain | 19 |
| Three-colored | 13 |
| Three-country agreement of '94 | 34 |
| Three-county state: abbr. | 25 |
| Three-course military supplies | 30 |
| Three-course WWII offering | 26 |
| Three-D | 7 |
| Three-D picture | 15 |
| Three-day celebration in late January or early February | 55 |
| Three-day festival | 18 |
| Three-day holiday | 17 |
| Three-day Vietnamese festival | 29 |
| Three-digit code | 16 |
| Three-digit ID | 14 |
| Three-digit no., often | 22 |
| Three-digit number | 18 |
| Three-digit prefixes | 20 |
| Three-digit starter for a dialer | 32 |
| Three-dimensional | 17 |
| Three-dimensional display | 25 |
| Three-dimensional explorers? | 28 |