Pet adjectives are listed in this post. Each word below can often be found in front of the noun pet in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing PET.
beloved, biggest, cherished, dead, dear, domestic
especial, exotic, favorite, first, good, great
little, local, lost, new, old, only
other, own, pampered, particular, perfect, personal
poor, popular, precious, pretty, small, special
spoiled, sweet, virtual
Hope this word list had the adjective used with pet you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.