| USSENATE | Subj. of the 17th Amendment |
| SENATE | Subject of the 17th Amendment |
| SENATORIALSEATS | Positions affected by the 17th Amendment |
| DONJUAN | Protagonist of the 17th-century Spanish play El burlador de Sevilla y convidado de piedra ("The Seducer of Seville and the Stone Guest"), attributed to Tirso de Molina (3,4) |
| NSA | Subj. of the 2017 memoir "Working on the Dark Side of the Moon" |
| OED | Subj. of the book "Treasure-House of the Language" |
| MARNIE | _ Swindells, winner of the 17th series of The Apprentice (6) |
| CRUCIBLE | The ---, 1953 play by Arthur Miller set during the Salem witch trials of the 17th Century (8) |
| LANCERS | Light cavalrymen of the 17th to 19th centuries, still in the title of regiments in multiple countries (7) |
| USO | Subj. of the 1991 film "For the Boys" |
| SSN | Subj. of the Privacy Act of 1974 |
| CIA | Subj. of the 2006 film "The Good Shepherd" |
| ECON | Subj. of "The Wealth of Nations" |
| WWI | Subj. of "The Guns of August" |
| PCBS | Subj. of the Toxic Substances Control Act of 1976 |
| WYCHERLEY | William, author of the 17th Century play The Gentleman Dancing-Master (9) |
| CRAVAT | Type of neckwear named after Slavic mercenaries of the 17th century |
| INDIAMAN | Sailing ship of the 17th to 19th centuries engaged in trade with the East or West Indies |
| HARDIE | Surname of the 17th Governor General of New Zealand, in office from 1996 to 2001 (6,4) |
| BOYS | Surname of the 17th GovernorGeneral of New Zealand, in office from 1996 to 2001 (6,4) |
