deep
noun
the central and most intense or profound part
“in the deep of night”
“in the deep of winter”
a long steep-sided depression in the ocean floor
literary term for an ocean
“denizens of the deep”
adjective
relatively deep or strong; affecting one deeply
“a deep breath”
“a deep sigh”
Oppositesshallowmarked by depth of thinking
“deep thoughts”
“a deep allegory”
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
“a deep well”
“a deep dive”
Oppositesshallowvery distant in time or space
“deep in the past”
“deep in enemy territory”
intense or extreme
“in deep trouble”
“deep happiness”
having or denoting a low vocal or instrumental range
“a deep voice”
“a bass voice is lower than a baritone voice”
Synonymsbassstrong; intense
“deep purple”
“a rich red”
Synonymsrichrelatively thick from top to bottom
“deep carpets”
“deep snow”
extending relatively far inward
“a deep border”
(of darkness) densely dark
“thick night”
“thick darkness”
Synonymsthicklarge in quantity or size
“deep cuts in the budget”
with head or back bent low
“a deep bow”
of an obscure nature
“the new insurance policy is written without cryptic or mysterious terms”
“a deep dark secret”
difficult to penetrate; incomprehensible to one of ordinary understanding or knowledge
“the professor's lectures were so abstruse that students tended to avoid them”
“a deep metaphysical theory”
exhibiting great cunning usually with secrecy
“deep political machinations”
“a deep plot”
adverb
Source: WordNet 3.1, Princeton University
