adjective
1.
Synonyms: recondite , abstruse, acroamatic, deep, esoteric, heavy, occult, orphic, profound, secret
2.
Synonyms: secluded , cloistered, recluse, secluse, seclusive, sequestered
HERMETIC
Meaning of HERMETIC in English
Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003