deep

from The American Heritage® Dictionary of the English Language, 4th Edition

• adj. Extending far downward below a surface: a deep hole in the river ice.
• adj. Extending far inward from an outer surface: a deep cut.
• adj. Extending far backward from front to rear: a deep walk-in refrigerator.
• adj. Extending far from side to side from a center: a deep yard surrounding the house.
• adj. Far distant down or in: deep in the woods.
• adj. Coming from or penetrating to a depth: a deep sigh.
• adj. Sports Located or taking place near the outer boundaries of the area of play: deep left field.
• adj. Extending a specific distance in a given direction: snow four feet deep.
• adj. Far distant in time or space: deep in the past.
• adj. Difficult to penetrate or understand; recondite: a deep metaphysical theory.
• adj. Of a mysterious or obscure nature: a deep secret; ancient and deep tribal rites.
• adj. Very learned or intellectual; wise: a deep philosopher.
• adj. Exhibiting great cunning or craft: deep political machinations.
• adj. Of a grave or extreme nature: deep trouble; deepest deceit.
• adj. Very absorbed or involved: deep in thought; deep in financial difficulties.
• adj. Profound in quality or feeling: a deep trance; deep devotion.
• adj. Rich and intense in shade. Used of a color: a deep red.
• adj. Low in pitch; resonant: a deep voice.
• adj. Covered or surrounded to a designated degree. Often used in combination: waist-deep in the water; ankle-deep in snow.
• adj. Large in quantity or size; big: deep cuts in the budget.
• adj. Sports Having a sufficient number of capable reserve players: That team is not very deep.
• adv. To a great depth; deeply: dig deep; feelings that run deep.
• adv. Well along in time; late: worked deep into the night.
• adv. Sports Close to the outer boundaries of the area of play: played deep for the first three innings; ran deep into their opponents' territory.
• n. A deep place in land or in a body of water: drowned in the deep of the river.
• n. A vast, immeasurable extent: the deep of outer space.
• n. The extent of encompassing time or space; firmament.
• n. The most intense or extreme part: the deep of night.
• n. The ocean.
• n. Nautical A distance estimated in fathoms between successive marks on a sounding line.
• idiom deep down At bottom; basically: Deep down, she was still a rebel.
• idiom in deep water In difficulty.

from Wiktionary, Creative Commons Attribution/Share-Alike License

• adj. Having its bottom far down.
• adj. Profound, having great meaning or import, but possibly obscure or not obvious.
• adj. To a significant, not superficial, extent.
• adj. In extent in a direction away from the observer.
• adj. In a number of rows or layers:
• adj. Thick.
• adj. Voluminous.
• adj. Low in pitch.
• adj. Dark and highly saturated.
• adj. A long way inside; situated far in or back.
• adj. Sound, heavy (describing a state of sleep from which one is not easily awoken)
• adj. Immersed, submerged (in).
• adv. deeply
• n. (meaning 1 above) part of a lake, sea, etc.
• n. (rare) The deep (meaning 2 above) part of a problem.
• n. : the sea, the ocean
• n. A fielding position near the boundary.

from the GNU version of the Collaborative International Dictionary of English

• adj. Extending far below the surface; of great perpendicular dimension (measured from the surface downward, and distinguished from high, which is measured upward); far to the bottom; having a certain depth.
• adj. Extending far back from the front or outer part; of great horizontal dimension (measured backward from the front or nearer part, mouth, etc.)
• adj. Low in situation; lying far below the general surface.
• adj. Hard to penetrate or comprehend; profound; -- opposed to shallow or superficial; intricate; mysterious; not obvious; obscure.
• adj. Of penetrating or far-reaching intellect; not superficial; thoroughly skilled; sagacious; cunning.
• adj. Profound; thorough; complete; unmixed; intense; heavy; heartfelt
• adj. Strongly colored; dark; intense; not light or thin.
• adj. Of low tone; full-toned; not high or sharp; grave; heavy.
• adj. Muddy; boggy; sandy; -- said of roads.
• adv. To a great depth; with depth; far down; profoundly; deeply.
• n. That which is deep, especially deep water, as the sea or ocean; an abyss; a great depth.
• n. That which is profound, not easily fathomed, or incomprehensible; a moral or spiritual depth or abyss.

from The Century Dictionary and Cyclopedia

• Having considerable or great extension downward, or in a direction viewed as analogous with downward.
• As measured from the point of view: extending far above; lofty: as, a deep sky.
• As measured from without inward: extending or entering far within; situated far within or toward the center.
• As measured from the front backward: long: as, a deep house; a deep lot.
• Having (a certain) extension as measured from the surface downward or from the front backward: as, a mine 1,000 feet deep; a case 12 inches long and 3 inches deep; a house 40 feet deep; a file of soldiers six deep.
• Immersed; absorbed; engrossed; wholly occupied: as,deep in figures.
• Closely involved or implicated.
• Hard to get to the bottom or foundation of; difficult to penetrate or understand; not easily fathomed; profound; abstruse.
• Sagacious; penetrating; profound: as, a man of deep insight.
• Artful; contriving; plotting; insidious; designing: as, he is a deep schemer.
• Grave in sound; low in pitch: as, the deep tones of an organ.
• Great in degree; intense; extreme; profound: as, deep silence; deep darkness; deep grief; a deep black.
• Muddy; boggy; having much loose sand or soil: applied to roads.
• Heartfelt; earnest; affecting.
• Profound; thorough.
• Late; advanced in time.
• In logic, signifying much; having many predicates. See depth, 9.
• n. That which is of great depth. Specifically
• n. plural A deep channel near a town: as, Memel Deeps, Prussia; Boston Deeps, near Boston, England.
• n. A name given by geographers to well-marked depressions in the ocean-bed greater than two thousand fathoms.
• n. The sky; the unclouded heavens.
• n. In coal-mining, the lowest part of the mine, especially the portion lower than the bottom of the shaft, or the levels extending therefrom.
• n. Any abyss.
• n. Nautical, the distance in fathoms between two successive marks on a lead-line: used in announcing soundings when the depth is greater than the mark under water and less than the one above it: as, by the deep 4. See lead-line.
• n. That which is too profound or vast to be fathomed or comprehended; a profound mystery.
• n. Depth; distance downward or outward.
• n. The middle point; the point of greatest intensity; the culmination.
• Deeply.
• To become deep; deepen.
• To go deep; sink.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• adj. strong; intense
• n. a long steep-sided depression in the ocean floor
• adj. relatively deep or strong; affecting one deeply
• adj. very distant in time or space
• adj. exhibiting great cunning usually with secrecy
• adj. large in quantity or size
• adv. to a great depth;far down
• adj. extreme
• adj. difficult to penetrate; incomprehensible to one of ordinary understanding or knowledge
• adj. of an obscure nature
• adv. to an advanced time
• adj. having great spatial extension or penetration downward or inward from an outer surface or backward or laterally or outward from a center; sometimes used in combination
• adj. relatively thick from top to bottom
• adv. to a great distance
• adj. marked by depth of thinking
• adj. with head or back bent low
• adj. having or denoting a low vocal or instrumental range
• adj. extending relatively far inward
• adj. (of darkness) very intense
• n. literary term for an ocean
• n. the central and most intense or profound part