A person whose diet consists of a significantly lower amount of meat than an average person, but is not necessarily a strict vegetarian diet
A person who may follow a vegetarian diet for a short amount of time for person gain, such as to impress someone or to reinforce an elaborate ruse
John tries to refrain from eating meat whenever he can, but avoiding all meat products at all costs is a lot of work. Sometimes he'll just eat meat, he's more like a pseudotarian.
Ken went pseudotarian for a full 3 months because of Jessica. Now that they're broken up, he doesn't anything *but* meat.