fallen-in (adjective) dilapidated: falling apart; in ruins
Sinonime: Delphic, Orphic, Sibylline, abstruse,
acute,
arcane,
complex,
concealed,
difficult,
discerning,
esoteric, hard to understand,
heavy*, hermetic,
hidden,
incisive,
intricate,
learned,
mysterious,
obscure,
occult,
penetrating,
profound,
recondite,
sagacious,
secret,
serious,
wiseAntonime: frivolous,
ignorant,
shallow,
superficial,
trivial,
unintelligent