deep

deep

noun

Definition of DEEP

1

the most intense or characteristic phase of something <the kind of cold weather that we usually have only in the deep of winter>

Synonyms deep, depth, height, middle, midst

Related Words center, heart

2

the whole body of salt water that covers nearly three-fourths of the earth <sailors exploring the farther reaches of the briny deep>

Synonyms blue, brine, deep, Neptune, sea, seven seas

Related Words blue water, high seas, main, waters; basin; Davy Jones's locker, depths

3

an immeasurable depth or space <the belief that somewhere in the deep of outer space humankind will meet its ultimate destiny>

Synonyms abysm, chasm, deep, gulf, ocean

Related Words cleft, crevasse, crevice, fissure; cavern, hole, hollow, pit; breadth, expanse, extent, reach, spread, stretch; black hole, emptiness, nothingness, vacancy, vacuity, vacuum, void