Fat adjectives are listed in this post. Each word below can often be found in front of the noun fat in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing FAT.
abdominal, animal, body, brown, deep, dietary
excess, excessive, extra, green, healthy, hot
human, internal, less, little, low, monounsaturated
more, much, neutral, own, pig, pure
saturated, solid, subcutaneous, total, visceral, white
Hope this word list had the adjective used with fat you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.