| LEAD | Also called plumbum, a toxic element used by the Ancient Romans (4) |
| NEODYMIUM | Toxic element used in some magnets |
| DEVA | Name by which the city of Chester was known by the ancient Romans (4) |
| TOGA | Piece of clothing worn by the ancient Romans |
| WOAD | Blue dye used by the ancient Picts and also Boudicca as war/body paint (4) |
| KOHL | Cosmetic used by the ancient Egyptians with eyeshadow derived from lapis lazuli, malachite and turquoise (4) |
| OPAL | What the ancient Romans called the "Cupid stone," considering it a symbol of love |
| NARD | Plant yielding an aromatic balsam, used by the ancients (4) |
| JOVE | Did the ancient Romans swear by him? (4) |
| IAMB | Element used by William Butler |
| ONYX | The Ancient Romans used it to make vases |
| QUID | What, asked the ancient Romans, was an old pound? (4) |
| STRIGIL | Curved blade used by the ancient Romans to scrape the body after bathing (7) |
| YORK | City the ancient Romans called "Eboracum" |
| GAUL | The ancient Romans' name for France (4) |
| ARSENIC | Based on Persian for "gold", a toxic element with compounds including orpiment, or king's yellow as a pigment, once used as an untraceable of murder known as the king of poisons or poison of kings (7) |
| FIRE | Most ants bite and spray acid on the wound but ___ ants sting (from the abdomen) and inject a toxic venom |
| DEUS | God, to the ancient Romans |
| NEWT | A toxic, partially terrestrial salamander relative |
| DROP | Get rid of, as a toxic friend |
