Deep synonyms such as deep down, big, downwards, ardent, abstruse, delphic, absorbed, bass, bold, the briny, a great distance, and a long way. Deep is an adjective, and its antonyms are shallow and insincere. Additionally, here are 150 synonyms for deep and words similar to it.
Big, bottomless, cavernous, chasmic, extending far down, extensive, fathomless, gaping, great, huge, immeasurable, profound, unfathomable, unplumbed, and yawning.
Downwards, from the surface, from top to bottom, in depth, in vertical extent, and inwards.
Abject, ardent, deep-rooted, deep-seated, deeply felt, earnest, enthusiastic, fervent, genuine, grave, great, heartfelt, honest, impassioned, intense, keen, serious, sincere, thorough, thoroughgoing, unfeigned, and wholehearted.
Abstruse, clever, complex, difficult, discerning, esoteric, impenetrable, insightful, intellectual, intelligent, keen, knowledgeable, learned, mysterious, obscure, penetrating, perceptive, percipient, perspicacious, philosophical, profound, quick-witted, recondite, sagacious, sage, scholarly, serious, sharp, sharp-witted, unfathomable, weighty, and wise.
Delphic, abstruse, arcane, as clear as mud, baffling, enigmatic, esoteric, fathomless, hidden, inexplicable, mysterious, mystifying, obscure, opaque, perplexing, puzzling, recondite, secret, and unfathomable.
Absorbed, captivated, engaged, engrossed, enthralled, gripped, immersed, intent, lost, preoccupied, rapt, riveted, spellbound, and steeped.
Bass, booming, full-toned, low, low-pitched, powerful, resonant, resounding, rich, rumbling, and sonorous.
Bold, brilliant, dark, eye-catching, flamboyant, glowing, intense, rich, strong, vibrant, vivid, and warm.
The briny, the drink, the foam, the high seas, the main, the ocean, the profound, the sea, and the waves.
A good way, a great distance, a long way, deep down, far, far down, far in, to a great depth, and way down.