2 adjectives to describe forbid

And when frost holds the high-standing city in its frigid grasp the extreme cold forbids any idea of coquetry, and thickly lined boots with cloth uppersa species of foot-gear that in grace of outline is decidedly suggestive of "arctics"become the only comfortable wear.

If we admit a distinction between mind and matter, and the result we speak of be purely mental, we should contradict the universal law of nature to assign such a product to mere matter, inasmuch as the natural law forbids in the lower the production of the higher.

2 adjectives to describe  forbid