transferred, esp. of darkness: Difficult to penetrate; dense, deep, profound.

Enclosed with clouds or darkness. Obsolete.

Of a thick nature; inclined to be thick.

Dense, thick. (Often with mixture of the sense of branch A. IV.) of air, vapour, darkness. archaic or poetic.

Of air, the atmosphere, etc.: obscured by mist or vapour; foggy, cloudy. Of mist, clouds, etc., or darkness itself: dense, thick, intense…