adjective
1.
Synonyms: recondite , abstruse, acroamatic, deep, esoteric, heavy, hermetic, occult, orphic, secret
2.
Synonyms: deep 1, abysmal
3.
Synonyms: intensive , blood-and-guts, deep, hard, intense
adjective
1.
Synonyms: recondite , abstruse, acroamatic, deep, esoteric, heavy, hermetic, occult, orphic, secret
2.
Synonyms: deep 1, abysmal
3.
Synonyms: intensive , blood-and-guts, deep, hard, intense
Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003