deep

adj

1. immeasurable, bottomless, fathomless, depthless; extensive, broad, wios, far-reaching, vast, massive; retreating, yawning, civernous, abysmal; submerged, sunk, sunken, on the bottom; buried, in the bowels of the earth, subterranean; deep-seated, deep-rooted, inmost, out of sight, Inf. way down.

2. sagacious, sage, wise, learned, knowing; penetrating, discerning, perspicacious, shrewd, astute; artful, subtle, designing, scheming, devious, cunning.

3. profound, extreme, intense, great; grave, pressing, urgent, critical, vital, important, significant, Inf. heavy.

4. difficult, unclear, obscure, abstruse, esoteric, recondite; impenetrable, inexplicable, incomprehensible; secret, hidden, mysterious, unfathomable, concealed; enigmatic, mystical, sphinxlike, occult.

5. absorbed, engrossed, preoccupied, rapt, intent, involved, entangled; immersed, plunged into, lost in, swallowed up, occupied, engaged.

6. rich, full, big, strong, powerful, heavy, solid; full-toned, resonant, sonorous, bass, basso; rumbling, booming, resounding; guttural, growly; dark, intensified, vivid, vibrant, vigorous, full-bodied.

7. earnest, sincere, serious, sober, somber; philosophical, thoughtful, reflective; heartfelt, poignant, fervent, ardent, impassioned; intense, deep-felt.

n

8. bottom, depths, deepest reaches, bottommost point; depth, profundity, extent, vastness, abyss.

9. culmination, central point, midpoint, middle, midst; silence, still, stillness, fastness, recesses, remotest point.

10. the deep

Chiefly Literary. the ocean, the sea, the seas, the high seas, the seven seas, main, the ocean blue, the waves; briny deep, Davy Jones's locker, Neptune's kingdom.

adv

11. profoundly, intensely, deeply. See deeply.