6 words in this vocabulary list
adjective involving or requiring strenuous effort; difficult and tiring
noun a person who climbs mountains as a sport or profession
adjective describing something that has a covering of snow on its peak or top
noun the highest point of a hill or mountain
verb to reach the highest point or level
noun a type of cloud formation that is lens-shaped and typically found at high altitudes
adjective describing the specific type of cloud formation
verb to become accustomed to a new climate or environment