Oracle adjectives are listed in this post. Each word below can often be found in front of the noun oracle in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing ORACLE.
ambiguous, ancient, athenian, celebrated, certain
delphian, delphic, divine, famous, first
great, greek, holy, infallible, inspired
new, old, only, own, priestly
prophetic, pythian, sacred, same, second
sibylline, true, very
Hope this word list had the adjective used with oracle you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.