"in the deep of night"
"in the deep of winter"
"denizens of the deep"
"a deep breath"
"a deep sigh"
"deep concentration"
"deep emotion"
"a deep trance"
"in a deep sleep"
"deep thoughts"
"a deep allegory"
"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"
"deep in the past"
"deep in enemy territory"
"deep in the woods"
"a deep space probe"
"in deep trouble"
"deep happiness"
"a deep voice"
"a bass voice is lower than a baritone voice"
"a bass clarinet"
"deep purple"
"a rich red"
"deep carpets"
"deep snow"
"a deep border"
"thick night"
"thick darkness"
"a face in deep shadow"
"deep night"
"deep cuts in the budget"
"a deep bow"
"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"
"the professor's lectures were so abstruse that students tended to avoid them"
"a deep metaphysical theory"
"some recondite problem in historiography"
"deep political machinations"
"a deep plot"
"dived deeply"
"dug deep"
"deep into the night"
"talked late into the evening"
"penetrated deep into enemy territory"
"went deep into the woods"
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