veganismnoun [ U ]
uk/ˈviː.ɡən.ɪ.zəm//ˈviː.ɡən.ɪ.zəm/the practice of not eating or using any animal products, such as meat, fish, eggs, cheese, or leather:
Strict veganism prohibits the use of all animal products, not just food, and is a lifestyle choice rather than a diet.