| A | B |
|---|
| avalanche | a great mass of snow sliding down a moutain |
| blizzard | heavy snow with strong winds |
| challenge | invite others to take part in a contest |
| conquer | to defeat |
| crevice | a deep, narrow opening in a rock |
| foolhardy | unwisely bold or daring |
| lure | te tempt or attrct with the promise of something good |
| makeshift | temporary replacement |
| optimist | one who looks at things in a positive way |
| previous | earlier, happening before |
| route | path one takes to get somewhere |
| summit | the highest part, the top |
| terse | short and to the point |
| thwart | to block or defeat the plans or efforts of |
| vertical | running straight up and down; upright |
