| 100% | BONFIRE | 7 | Large outdoor flame once used to keep people warm in the cold, now replaced by modern heating systems |
| 45% | SKIN | 4 | Animal ___, thick animal hides once used to keep people warm, now replaced by cozy sweaters and jackets |
| 30% | CAVE | 4 | Natural rocky shelters once used to escape harsh weather, now replaced by cozy, heated houses |
| 26% | FIREWOOD | 8 | Used to keep the flames burning |
| 24% | STEW | 4 | Thick, slow-cooked meal once eaten to survive cold days, now replaced by warm mugs of hot chocolate |
| 23% | AHOY | 4 | Shout used by the people in boat |
| 23% | INSULATE | 8 | Use thick materials to keep heat in |
| 22% | OCA | 3 | Name given to the dwelling used by indigenous people of Brazil |
| 22% | BOZ | 3 | Pseudonym used by Charles Dickens in contributions to the Morning Chronicle newspaper |
| 22% | SCUTA | 5 | Protective items that legionnaires once used that replaced the clipei they carried up to about 4 BC |
| 22% | HIBACHI | 7 | Large earthenware pot in which charcoal is burnt used in Japan to provide indoor heating |
| 22% | HEATER | 6 | Keeps you warm in the winter |
| 22% | GALLEON | 7 | Large square-rigged sailing ship especially used by Spain from the 15th to 18th centuries |
| 21% | VARIABLE | 8 | In the answers to 17-, 34- and 57-Across, it was replaced in turn by 1, 2, 3, 4, 5 ... |
| 21% | AXE | 3 | Tool used by the Once-ler in "The Lorax" |
| 21% | YERBA | 5 | ___ mate, traditionally consumed as a drink in Paraguay and originally used by the Guaraní people |
| 21% | GEL | 3 | Product used to keep hair in place |
| 21% | CUFFING | 7 | “Season” in which single people couple up to stave off the loneliness and cold of winter |
| 21% | KONTIKI | 7 | Balsa wood raft used by Thor Heyerdahl to sail from Peru to the Tuamotus in 1947 |
| 21% | RACER | 5 | Person struggling in the heat? |
| 21% | NOVAE | 5 | Large Roman legionnaire's fortress, now excavated and open to the public, located on the Danube in N. Bulgaria |
| 20% | METRONOME | 9 | Tool used to keep tempo in music lessons |
| 20% | DOGSLEDS | 8 | Vehicles once used to deliver mail in Alaska |
| 20% | WERE | 4 | Used to be, in the plural |
| 20% | JUGGLE | 6 | To keep balls in the air |
| 20% | JUPITER | 7 | "Drops of ___ (Tell Me)," 2001 song by Train with the Solar System's largest planet in its title |
| 20% | BAT | 3 | Used to hit the ball in baseball |
| 20% | OLDSTYLE | 8 | In the way it used to be |
| 20% | ICECUBE | 7 | Block of frozen water used to keep a drink cold |
| 20% | CODENAME | 8 | Word used to keep a person's true identity secret |