- extending far down from the top or surface: a deep well;a deep valley.
- extending far in or back from the front or from an edge, surface, opening, etc., considered as the front: a deep shelf.
- extending far in width; broad: deep lace;a deep border.
- ranging far from the earth and sun: a deep space probe.
- having a specified dimension in depth: a tank 8 feet deep.
- covered or immersed to a specified depth (often used in combination): standing knee-deep in water.
- having a specified width or number of items from front to back (often used in combination): shelves that are 10 inches deep;cars lined up at the entrance gates three-deep.
- extending or cutting far down relative to the surface of a given object: The knife made a deep scar in the table.
- situated far down, in, or back: deep below the surface;deep in the woods.
- reaching or advancing far down: a deep dive.
- coming from far down: a deep breath.
- made with the body bent or lowered to a considerable degree: a deep bow.
- immersed or submerged in or heavily covered with (followed by in): a road deep in mud.
- difficult to penetrate or understand; abstruse: a deep allegory.
- not superficial; profound: deep thoughts.
- grave or serious: deep disgrace.
- heartfelt; sincere: deep affections.
- absorbing; engrossing: deep study.
- great in measure; intense; extreme: deep sorrow.
- sound and heavy: deep sleep.
- (of colors) dark and vivid: a deep red.
- low in pitch, as sound, a voice, or the like: deep, sonorous tones.
- having penetrating intellectual powers: a deep scholar.
- profoundly cunning or artful: a deep and crafty scheme.
- mysterious; obscure: deep, dark secrets.
- immersed or involved; enveloped: a man deep in debt.
- absorbed; engrossed: deep in thought.
- relatively far from home plate: He hit the ball into deep center field.
- belonging to an early stage in the transformational derivation of a sentence; belonging to the deep structure.
- the deep part of a body of water, especially an area of the ocean floor having a depth greater than 18,000 feet (5,400 meters).
- a vast extent, as of space or time.
- the part of greatest intensity, as of winter.
- any of the unmarked levels, one fathom apart, on a deep-sea lead line.
- the sea or ocean: He was laid to rest in the deep.
- to or at a considerable or specified depth: The boat rode deep in the water.
- far on in time: He claimed he could see deep into the future.
- profoundly; intensely.
- at or to a deep place or position: The outfielders played deep, knowing the batter's reputation as a slugger.
- go off the deep end,
- to enter upon a course of action with heedless or irresponsible indifference to consequences.
- to become emotionally overwrought.
- in deep,
- inextricably involved.
- having made or committed oneself to make a large financial investment.
- in deep water,
- in difficult or serious circumstances; in trouble.
- in a situation beyond the range of one's capability or skill: You're a good student, but you'll be in deep water in medical school.
- extending or situated relatively far down from a surface
- extending or situated relatively far inwards, backwards, or sideways
- relatively far from the pitch
- of a specified dimension downwards, inwards, or backwards
- (in combination)
- coming from or penetrating to a great depth
- difficult to understand or penetrate; abstruse
- learned or intellectually demanding
- of great intensity; extreme
- absorbed or enveloped (by); engrossed or immersed (in)
- very cunning or crafty; devious
- mysterious or obscure
- (of a colour) having an intense or dark hue
- low in pitch or tone
- go off the deep end informal
- to lose one's temper; react angrily
- to act rashly
- in a tricky position or in trouble
- throw someone in at the deep end See end 1 (def. 28)
- any deep place on land or under water, esp below 6000 metres (3000 fathoms)
- the deep
- a poetic term for the ocean
- the area of the field relatively far from the pitch
- the most profound, intense, or central part
- a vast extent, as of space or time
- one of the intervals on a sounding lead, one fathom apart
- far on in time; late
- profoundly or intensely
- in reality, esp as opposed to appearance
- long ago
