The word vegan (noun) can be concisely defined as a person who does not consume or use any animal products, often for ethical or health reasons. For example, "She is a dedicated vegan and avoids all animal-derived foods" or "He recently switched to a vegan lifestyle, eliminating all animal-based products from his diet." In a broader sense, vegan can also refer to a way of life or philosophy that rejects the use of animal products in any form. For instance, "Veganism promotes a compassionate and environmentally-conscious lifestyle" or "This company prides itself on its vegan and cruelty-free skincare products." Additionally, the word vegan can also function as an adjective to describe something that is free from animal products. For example, "This cake is vegan-friendly, made with only plant-based ingredients" or "The restaurant has a separate vegan menu for its customers." Overall, vegan is a term used to describe individuals, practices, and products that do not involve the use of animal products. As a speech coach, it is important to understand and properly define this word as it is increasingly becoming a common dietary and lifestyle choice for many people.