vegan

n. vegetarian who does not eat any animal products

adj. pertaining to vegetarianism; having the characteristics of a vegetarian

Veganism (also strict or pure vegetarianism) is a philosophy and lifestyle that seeks to exclude the use of animal derived products for food, clothing, or any other purpose. Vegans do not use or consume animal products of any kind. The most popular reasons for becoming a vegan are ethical commitment or moral convictions concerning animal rights, the environment, or human health, and spiritual or religious concerns. Of particular concern are the practices involved in factory farming and animal testing, and the intensive use of land and other resources required for animal farming.
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Vegan /veg·an/ a vegetarian whose diet excludes all food of animal origin. ve·gan n. A vegetarian who eats plant products only, especially one who [more]Vegan - Community and Resources

Noun
1. a strict vegetarian; someone who eats no animal or dairy products at all
(hypernym) vegetarian

adj. vegan, vegetarian who does not eat any animal products