deep

deep [adj1] extending very far, usually down abysmal, abyssal, below, beneath, bottomless, broad, buried, deep-seated, distant, downreaching, far, fathomless, immersed, inmost, low, profound, rooted, subaqueous, submarine, submerged, subterranean, sunk, underground, unfathomable, wide, yawning; concepts 737,777 —Ant. shallow deep [adj2] abstract, complicated in meaning abstruse, acute, arcane, complex, concealed, Delphic, difficult, discerning, esoteric, hard to understand, heavy*, hermetic, hidden, incisive, intricate, learned, mysterious, obscure, occult, Orphic, penetrating, profound, recondite, sagacious, secret, serious, Sibylline, wise; concepts 402,529 —Ant. frivolous, ignorant, shallow, superficial, trivial, unintelligent deep [adj3] scheming, devious acute, artful, astute, canny, contriving, crafty, cunning, designing, foxy, guileful, insidious, intriguing, keen, knowing, plotting, sharp, shrewd, sly, tricky, wily; concept 404 —Ant. aboveboard, artless, open deep [adj4] absorbed, engrossed in activity abstracted, centered, concentrated, enfolded, engaged, fixed, focused, immersed, intent, into, lost, musing, preoccupied, rapt, set, wrapped, wrapped up; concept 542 —Ant. flighty, superficial deep [adj5] intense in effect on senses bass, booming, dark, extreme, full-toned, grave, great, hard, low, low-pitched, low-toned, profound, resonant, rich, sonorous, strong, vivid; concepts 537,594,618 —Ant. light, pale, quiet, soft deep [n] the sea blue*, brine, briny*, Davy Jones’s locker*, drink*, main, middle, ocean, Poseidon’s realm*, the high seas; concept 514