deep — OET · Shobdo

deep

adjective

1 a deep ravine:

extending far down;

cavernous, yawning, gaping, huge, big, great, extensive, profound, unplumbed;

bottomless, immeasurable, fathomless, unfathomable;

rare chasmic.

▷antonyms shallow.

2 a deep shelf:

extending far back/in, extending a long way back, extensive.

▷antonyms shallow.

3 a puddle about two inches deep:

in depth, downwards, inwards, from top to bottom, from the surface, in vertical extent.

4 I have a deep affection for you | he was viewed with deep suspicion:

intense, heartfelt, deeply felt, fervent, ardent, impassioned, wholehearted, deep-seated, deep-rooted, thorough, thoroughgoing, serious;

sincere, honest, genuine, unfeigned;

earnest, enthusiastic, keen, great;

grave, abject.

▷antonyms superficial, insincere.

5 Laura drifted into a deep sleep:

sound, heavy, profound, intense.

6 Helen was a deep thinker:

clever, intelligent, intellectual;

knowledgeable, learned, wise, sagacious, sage, scholarly;

discerning, penetrating, perspicacious, perceptive, percipient, insightful, keen, sharp, sharp-witted, quick-witted;

profound, philosophical, complex, weighty, serious, difficult, abstruse, esoteric, recondite, impenetrable, unfathomable, mysterious, obscure.

▷antonyms straightforward.

7 he was deep in concentration:

rapt, absorbed, engrossed, preoccupied, immersed, steeped, lost, captivated, spellbound, riveted, gripped, enthralled, intent, engaged.

8 a deep mystery:

obscure, mysterious, hidden, secret, unfathomable, fathomless, opaque, abstruse, recondite, esoteric, enigmatic, arcane, Delphic;

puzzling, perplexing, baffling, mystifying, inexplicable;

informal as clear as mud.

9 his deep voice:

low-pitched, low, bass, full-toned, rich, powerful, resonant, rumbling, booming, resounding, sonorous.

▷antonyms high.

10 a deep reddish-brown colour:

dark;

intense, vivid, rich, strong, brilliant, glowing, vibrant, bold, warm, flamboyant, eye-catching.

▷antonyms light; thin.

noun (the deep)

1 literary the strange creatures of the deep:

the sea, the ocean;

the high seas;

informal the drink, the briny;

literary the waves, the main, the foam, the profound.

2 in the deep of night:

the middle, the midst, the mid point, the central point;

the depths, the thick, the dead, the heart, the kernel, the interior.

adverb

1 I dug deep:

far down, far in, deep down, way down, to a great depth.

2 he brought them deep into thick woodland:

far, a long way, a great distance, a good way.

deep Oxford Dictionary of English