Ordeal adjectives are listed in this post. Each word below can often be found in front of the noun ordeal in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing ORDEAL.
awful, cruel, day, difficult, dread, dreaded, dreadful, entire
excruciating, fearful, fierce, fiery, final, first, formidable, frightful
great, grueling, horrible, horrific, hour, last, long, month
new, own, painful, personal, physical, real, recent, same
second, severe, severest, similar, such, supreme, terrible, terrifying
traumatic, tremendous, unpleasant, whole, year
Hope this word list had the adjective used with ordeal you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.