Words that have the same meaning as deep?

abysmal, abyssal, acute, arcane,below, beneath, bottomless, broad, buried, complex deep-seated, distant, Delphic, downreaching, far, fathomless, immersed, inmost, low, profound, rooted, subaqueous, submarine, submerged, subterranean, sunk, underground, unfathomable,Orphic, Sibylline, abstruse, , concealed, difficult, discerning, esoteric, hard to understand, heavy, hermetic, hidden, incisive, intricate, learned, mysterious, obscure, occult, penetrating, profound, recondite, sagacious, secret, serious, wise, artful, astute, canny, contriving, crafty, cunning, designing, foxy, guileful, insidious, intriguing, keen, knowing, plotting, sharp, shrewd, sly, tricky, wily, wide, yawning