| A | B |
| avalance | A slide of large masses of snow and ice and mud down a mountain. |
| blizzard | A heavy snowstorm with strong winds. |
| challenge | 1. A demanding or stimulating situation. 2. A call to engage in a contest or fight. |
| conquer | 1. to take something over and control it. 2. To put down by force or authority. |
| crevice | A deep narrow opening in rock caused by a split or crack. |
| foolhardy | Showing boldness or courage by not wisdom or good sense. |
| lure | 1. Anything that serves to attract. 2. Artificial bait used in fishing. |
| makeshift | Something contrived to meet an urgent need or emergency. |
| optimist | A person who expects things to turn out for the best. |
| previous | Happening before in time or order; earlier. |
| route | 1. An established line of travel or access. 2. An open way for travel or transportation. |
| summit | 1. The highest point of a volcano or mountain. 2. A meeting of heads of state. |
| terse | concise, brief, to the point |
| thwart | Hinder or prevent (the efforts, plans, or desires) of. |
| vertical | Upright in position or posture. |