- a bass clarinet.
-  a bass voice is lower than a baritone voice.
-  a deep allegory.
-  a deep border.
-  a deep bow.
-  a deep breath.
-  a deep casserole.
-  a deep closet.
-  a deep dark secret.
-  a deep dive.
-  a deep gash.
-  a deep metaphysical theory.
-  a deep plot.
-  a deep sigh.
-  a deep space probe.
-  a deep trance.
-  a deep voice.
-  a deep well.
-  a face in deep shadow.
-  a rich red.
-  deep carpets.
-  deep concentration.
-  deep cuts in the budget.
-  deep emotion.
-  deep happiness.
-  deep in enemy territory.
-  deep in the past.
-  deep in the woods.
-  deep into the night.
-  deep massage.
-  deep night.
-  deep political machinations.
-  deep pressure receptors in muscles.
-  deep purple.
-  deep shelves.
-  deep snow.
-  deep thoughts.
-  deep water.
-  denizens of the deep.
-  dived deeply.
-  dug deep.
-  hit the ball to deep center field.
-  in a deep sleep.
-  in deep space.
-  in deep trouble.
-  in its mysterious past it encompasses all the dim origins of life.
-  in the deep of night.
-  in the deep of winter.
-  penetrated deep into enemy territory.
-  rituals totally mystifying to visitors from other lands.
-  some recondite problem in historiography.
-  surrounded by a deep yard.
-  talked late into the evening.
-  the inscrutable workings of Providence.
-  the new insurance policy is written without cryptic or mysterious terms.
-  the professor's lectures were so abstruse that students tended to avoid them.
-  thick darkness.
-  thick night.
-  waist-deep.
-  went deep into the woods.