Adversary adjectives are listed in this post. Each word below can often be found in front of the noun adversary in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing ADVERSARY.
ancient, bitter, chief, common, cunning, dangerous, determined, evil
fallen, fierce, former, formidable, generous, grand, great, greatest
implacable, late, main, mighty, mine, new, old, only
open, other, own, political, potent, potential, powerful, principal
real, redoubtable, single, skilful, spiritual, strong, stronger, subtle
terrible, unknown, unseen, wily, worthy, young
Hope this word list had the adjective used with adversary you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.