of astrology

secret, concealed

coiled; twisted

complicated

difficult to find, capture etc; not easy to remember

evasive, mysterious

that cannot be understood

not understandable

that cannot be explained

beyond comprehension, explanation

(of substances) that cannot be dissolved

mysterious, unable to be solved or answered

full of, suggesting, mystery

secret, concealed

in a way that cannot be accounted for or explained

not explainable; mysterious