The phrase "lifelong vegetarian" refers to a person who has chosen not to eat meat throughout their entire life.
Sentences with «lifelong vegetarian»
Friedberg, a lifelong vegetarian with a degree in astrophysics, then put together a spreadsheet that calculated the net energy to produce all different kinds of protein. (fortune.com)
As a lifelong vegetarian I am always on the lookout for more plant based meals. (deliciouslyella.com)
We recently gave up dairy and eggs after being lifelong vegetarians. (isachandra.com)