01 v. t. To make deep or deeper; to increase the depth of; to sink lower; as, to deepen a well or a channel.
imp. & p. p.
Deepened; p. pr. & vb. n.
Deepening
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1.
To make deep or deeper; to increase the depth of; to sink lower; as, to deepen a well or a channel.“It would . . . deepen the bed of the Tiber.” — Addison.
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2.
To make darker or more intense; to darken; as, the event deepened the prevailing gloom.“You must deepen your colors.” — Peacham.
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3.
To make more poignant or affecting; to increase in degree; as, to deepen grief or sorrow.
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4.
To make more grave or low in tone; as, to deepen the tones of an organ.“Deepens the murmur of the falling floods.” — Pope.