parlous

As adjectives the difference between precarious and parlous

is that precarious is (comparable) dangerously insecure or unstable; perilous or precarious can be (dentistry) relating to incipient caries while parlous is attended with peril; dangerous; risky.

As an adverb parlous is

(archaic) very, extremely.

As an adjective parlous

is attended with peril; dangerous; risky.

As an adverb parlous

is (archaic) very, extremely.

As a verb dire is

.