1. 难解：abstruseness 难解 | abstrusity 难解 | absurd theatre 荒诞派戏剧

2. 难解, 深奥：abstruseness || 难解, 深奥 | abstrusity || 难解, 深奥 | absurd theatre || 荒诞派戏剧

noun

1. wisdom that is recondite and abstruse and profound

e.g. the anthropologist was impressed by the reconditeness of the native proverbs

Synonym: reconditenessabstrusenessprofoundnessprofundity