from
The Collaborative International Dictionary of English v.0.48
Deep \Deep\, n.
1. That which is deep, especially deep water, as the sea or
ocean; an abyss; a great depth.
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Courage from the deeps of knowledge springs.
--Cowley.
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The hollow deep of hell resounded. --Milton.
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Blue Neptune storms, the bellowing deeps resound.
--Pope.
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2. That which is profound, not easily fathomed, or
incomprehensible; a moral or spiritual depth or abyss.
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Thy judgments are a great deep. --Ps. xxxvi.
6.
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{Deep of night}, the most quiet or profound part of night;
dead of night.
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The deep of night is crept upon our talk. --Shak.
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