Frosts adjectives are listed in this post. Each word below can often be found in front of the noun frosts in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing FROSTS.
autumnal, biting, bitter, early
first, great, hard, heavy
hoar, hoary, intense, late
light, severe, severest, sharp
slight, untimely, white, wintry
Hope this word list had the adjective used with frosts you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.