Definition of Interjection Interjections are versatile parts of speech that serve various purposes in language. They can express greetings, exclamations, commands, encouragement, or even express emotions such as pain or pleasure. Common examples of interjections include "wow," "ouch," "yay," "hey," "oh," and "bravo." These words are used to convey feelings that may not be adequately expressed through other parts of speech. Types of Interjections Interjections can be categorized into different types based on the emotions or sentiments they convey. Some common types of interjections include: 1. Joy or Excitement Interjections such as "yay," "hooray," and "wow" are used to express happiness, excitement, or celebration. These words are often accompanied by exclamation points to emphasize the emotion being conveyed. 2. Surprise or Shock Interjections like "oh," "wow,"