This document discusses different ways to discover the meaning of words, including using context clues and dictionaries. It provides examples of looking up words in a dictionary and using context clues from surrounding sentences to determine a word's definition. Specifically, it shows how context clues from the second sentence can help reveal that "callous" means insensitive or unfeeling. It also provides practice examples of using context clues to define words like "interim" and determine the meaning of "mystified".