deep

Adjective
  1. Relatively deep or strong;
    Affecting one deeply (synset 300696211)
    "a deep breath"; "a deep sigh"; "deep concentration"; "deep emotion"; "a deep trance"; "in a deep sleep"
    tells us about: deepness, depth - the extent downward or backward or inward
    similar to:
  2. Marked by depth of thinking (synset 301879131)
    "deep thoughts"; "a deep allegory"
    similar to: profound - showing intellectual penetration or emotional depth
  3. 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 (synset 300693335)
    "a deep well"; "a deep dive"; "deep water"; "a deep casserole"; "a deep gash"; "deep massage"; "deep pressure receptors in muscles"; "deep shelves"; "a deep closet"; "surrounded by a deep yard"; "hit the ball to deep center field"; "in deep space"; "waist-deep"
    also: unfathomable - of depth; not capable of being sounded or measured
    tells us about: deepness, depth - the extent downward or backward or inward
    similar to:
  4. Very distant in time or space (synset 300447971)
    "deep in the past"; "deep in enemy territory"; "deep in the woods"; "a deep space probe"
    similar to: distant - separated in space or coming from or going to a distance
  5. Intense or extreme (synset 301515033)
    "in deep trouble"; "deep happiness"
    similar to: intense - possessing or displaying a distinctive feature to a heightened degree
  6. Having or denoting a low vocal or instrumental range (synset 301218606)
    "a deep voice"; "a bass voice is lower than a baritone voice"; "a bass clarinet"
    similar to: low, low-pitched - used of sounds and voices; low in pitch or frequency
    same as: bass
  7. Strong;
    Intense (synset 300404462)
    "deep purple"; "a rich red"
    similar to: colorful, colourful - having much or varied color
    same as: rich
  8. Relatively thick from top to bottom (synset 302419779)
    "deep carpets"; "deep snow"
    similar to: thick - not thin; of a specific thickness or of relatively great extent from one surface to the opposite usually in the smallest of the three solid dimensions
  9. Extending relatively far inward (synset 302572121)
    "a deep border"
    similar to: broad, wide - having great (or a certain) extent from one side to the other
  10. (of darkness) densely dark (synset 301517859)
    "thick night"; "thick darkness"; "a face in deep shadow"; "deep night"
    similar to: intense - possessing or displaying a distinctive feature to a heightened degree
    same as: thick
  11. Large in quantity or size (synset 301387980)
    "deep cuts in the budget"
    similar to: big, large - above average in size or number or quantity or magnitude or extent
  12. With head or back bent low (synset 301209588)
    "a deep bow"
    similar to: low - literal meanings; being at or having a relatively small elevation or upward extension
  13. Of an obscure nature (synset 300942713)
    "the new insurance policy is written without cryptic or mysterious terms"; "a deep dark secret"; "the inscrutable workings of Providence"; "in its mysterious past it encompasses all the dim origins of life"; "rituals totally mystifying to visitors from other lands"
    similar to: incomprehensible, inexplicable - incapable of being explained or accounted for
    same as: cryptic, cryptical, inscrutable, mysterious, mystifying
  14. Difficult to penetrate;
    Incomprehensible to one of ordinary understanding or knowledge (synset 300902519)
    "the professor's lectures were so abstruse that students tended to avoid them"; "a deep metaphysical theory"; "some recondite problem in historiography"
    similar to: esoteric - confined to and understandable by only an enlightened inner circle
    same as: abstruse, recondite
  15. Exhibiting great cunning usually with secrecy (synset 300150388)
    "deep political machinations"; "a deep plot"
    similar to: artful - marked by skill in achieving a desired end especially with cunning or craft
Noun
  1. The central and most intense or profound part (synset 115292202)
    "in the deep of night"; "in the deep of winter"
    is a type of: middle - time between the beginning and the end of a temporal period
  2. A long steep-sided depression in the ocean floor (synset 109484445)
    is a type of: depression, natural depression - a sunken or depressed geological formation
    specific instances:
    • atacama trench - a depression in the floor of the Pacific Ocean off the coast of Chile
    • bougainville trench - a depression in the floor of the Pacific Ocean between New Guinea and the Solomon Islands
    • japan trench - a depression in the floor of the Pacific Ocean to the northeast of Japan that reaches depths of 30,000 feet
    • nares deep - a depression in the floor of the Atlantic Ocean to the north of Haiti and Puerto Rico
    same as: oceanic abyss, trench
  3. Literary term for an ocean (synset 109286717)
    "denizens of the deep"
    is a type of: ocean - a large body of water constituting a principal part of the hydrosphere
Adverb
  1. To a great depth;
    Far down or in (synset 400306956)
    "dived deeply"; "dug deep"
    same as: deeply
  2. To an advanced time (synset 400307214)
    "deep into the night"; "talked late into the evening"
    same as: late
  3. To a great distance (synset 400307076)
    "penetrated deep into enemy territory"; "went deep into the woods"

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