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Person who will not eat meat unless it is sustainably derived. This means the person will only eat free-range meat, grass-fed (beef), with no additives.
For his new year's resolution, Alex decided to go sustainitarian. He always asks the waiter if the meat is free-range, oftentimes embarrasing the restaurant. To this day he has had to settle with vegetarian options.
by Sustainitarian February 23, 2011
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