Shrieks adjectives are listed in this post. Each word below can often be found in front of the noun shrieks in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing SHRIEKS.
agonized, agonizing, dreadful, fearful
frightful, hideous, horrible, horrid
hysterical, little, loud, louder
more, piercing, pitched, shrill
such, sudden, terrible, unearthly
Hope this word list had the adjective used with shrieks you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.