2 adjectives to describe cliffe

La. Why you may, and doubtlesly will, when you have debated that your commander is but your Mistris, a woman, a weak one, wildly overborn with passions: but the thing by her commanded, is to see Dovers dreadful cliffe, passing in a poor Water-house; the dangers of the merciless Channel 'twixt that and Callis, five long hours sail, with three poor weeks victuals.

75 Now in the valleies wandring at their wills, Spread themselves farre abroad through each descent; Some on the soft greene grasse feeding their fills, Some, clambring through the hollow cliffes on hy, Nibble the bushie shrubs which growe thereby.

2 adjectives to describe  cliffe