Is the word "vegetarian" a noun or adjective? I figured both "vegetarian" and "vegan" were adjectives describing ones diet and lifestyle but I just wanted to know for sure.
In this instance, the noun in this sentence is the person. Therefore, the adjectives are "Vegetarian" and "Vegan" describing the person.
Adjective or noun
It depends on how it is used in a sentence.
I am a vegetarian. In this sentence, vegetarian is being used as a noun. A vegetarian is a person.
What are the vegetarian options? Here, vegetarian is being used to describe the noun options; therefore, it is an adjective.