Adjective
1. relatively deep or strong; affecting one deeply;
"a deep breath""a deep sigh""deep concentration""deep emotion""a deep trance""in a deep sleep"2. marked by depth of thinking;
"deep thoughts""a deep allegory"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;
"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"4. very distant in time or space;
"deep in the past""deep in enemy territory""deep in the woods""a deep space probe"5. extreme;
"in deep trouble""deep happiness"6. having or denoting a low vocal or instrumental range;
"a deep voice""a bass voice is lower than a baritone voice""a bass clarinet"7. strong; intense;
"deep purple""a rich red"8. relatively thick from top to bottom;
"deep carpets""deep snow"9. extending relatively far inward;
"a deep border"10. (of darkness) very intense;
"thick night""thick darkness""a face in deep shadow""deep night"11. large in quantity or size;
"deep cuts in the budget"12. with head or back bent low;
"a deep bow"13. of an obscure nature;
"the new insurance policy is written without cryptic or mysterious terms""a deep dark secret""the inscrutible workings of Providence""in its mysterious past it encompasses all the dim origins of life"- Rachel Carson"rituals totally mystifying to visitors from other lands"14. 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""some recondite problem in historiography"15. exhibiting great cunning usually with secrecy;
"deep political machinations""a deep plot"