Context Clues are hints that the author gives to help define a difficult or unusual word. The clue may appear within the same sentence as the word to which it refers, or it may be in a preceding or subsequent sentence. Because most of your vocabulary is gained through reading, it is important that we able to recognize and take advantage of context clues. The use of contextual clues can be the one of the best ways to improve our reading skills. At the same time, the use of contextual clue can also provide us rapidly increase our existing vocabulary base.