| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | extending very far, usually down |
| Synonyms: | 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 |
| Antonyms: | shallow |
| Main Entry: | deep |
| Part of Speech: | adjective |
| Definition: | scheming, devious |
| Synonyms: | acute, artful, astute, canny, contriving, crafty, cunning, designing, foxy, guileful, insidious, intriguing, keen, knowing, plotting, sharp, shrewd, sly, tricky, wily |
| Antonyms: | aboveboard, artless, open |
| Main Entry: | deep |
| Part of Speech: | adjective |
| Definition: | absorbed, engrossed in activity |
| Synonyms: | abstracted, centered, concentrated, enfolded, engaged, fixed, focused, immersed, intent, into, lost, musing, preoccupied, rapt, set, wrapped, wrapped up |
| Antonyms: | flighty, superficial |
| Main Entry: | deep |
| Part of Speech: | adjective |
| Definition: | intense in effect on senses |
| Synonyms: | alto, baritone, bass, booming, contralto, dark, extreme, full-toned, grave, great, hard, low, low-pitched, low-toned, profound, resonant, rich, sonorous, strong, vivid |
| Antonyms: | light, pale, quiet, soft |
| Main Entry: | deep |
| Part of Speech: | noun |
| Definition: | the sea |
| Synonyms: | Davy Jones's locker, Poseidon's realm, blue*, brine, briny, drink*, main, middle, ocean, the high seas |
| Main Entry: | abstract |
| Part of Speech: | adjective |
| Definition: | conceptual, theoretical |
| Synonyms: | abstruse, complex, deep, hypothetical, ideal, indefinite, intellectual, nonconcrete, philosophical, recondite, transcendent, transcendental, unreal |
| Antonyms: | actual, concrete, factual, material, objective, physical, real |
| Main Entry: | abstruse |
| Part of Speech: | adjective |
| Definition: | difficult to understand |
| Synonyms: | Greek to me, abstract, clear as dishwater, complex, complicated, deep, enigmatic, esoteric, heavy*, hidden, incomprehensible, intricate, involved, muddy, obscure, perplexing, profound, puzzling, recondite, subtle, unfathomable, vague |
| Antonyms: | clear, concrete, easy, lucid, obvious, plain, simple |
| Main Entry: | abysmal |
| Part of Speech: | adjective |
| Definition: | great extent; immeasurable |
| Synonyms: | bottomless, boundless, complete, deep, endless, extreme, illimitable, incalculable, infinite, profound, thorough, unending, unfathomable, vast |
| Antonyms: | infinite |
| Main Entry: | bowels |
| Part of Speech: | noun |
| Definition: | insides |
| Synonyms: | belly, core, deep, depths, entrails, guts, hold, innards, interior, intestines, penetralia, recesses, viscera, vitals |