Fries adjectives are listed in this post. Each word below can often be found in front of the noun fries in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing FRIES.
crispy, curly
cut, few
freedom, french
greasy, large
more, small
Hope this word list had the adjective used with fries you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.
salty
salty,light,warm,and tempting
spicy
Another adjective can be crunchy.