Definition of "vegan"

vegan

/ˈviːɡən/

adjective
not comparable
1. (of a product or practice, especially food) Not containing animal products (meat, eggs, milk, leather, etc) or inherently involving animal use.
  Quotations
  Is their way of eating healthy and safe? Doctors and nutritionists generally give an almost unqualified “yes” to lacto‐ovo vegetarianism, but express some doubts about vegan diets.
  1975 March 21, Judy Klemesrud, “Vegetarianism: Growing Way of Life, Especially Among the Young”, in The New York Times‎
  The interest of heavyweight investors is confirmation that vegan food has gone mainstream, but it could also make it harder for Oatly to maintain its anti-establishment image.
  2021 May 18, Jack Ewing, Lauren Hirsch, “The Big Money Is Going Vegan”, in The New York Times‎
2. (of a person) Committed to avoiding any product or practice that inherently involves animal use.
3. Relating to vegans or veganism.
noun
plural vegans
1. A person who does not eat, drink or otherwise consume any animal products
2. A person committed to avoiding products and practices that inherently involve animal use, including all foods containing animal products, and to abstaining from direct and intentional harm to animals as far as possible; an adherent to veganism.