It’s a happy day.  My migraine vanished late last evening, and I was left with a newfound vigor this morning after a restful night’s sleep.  So now I’m feeling…

parlous (par·lous): / PAHR luhs /
adjective

(1) dangerous; perilous; very unsafe, difficult, or uncertain; full of risk; hazardous
(2) dangerously clever, shrewd, or cunning; crafty; devious (obsolete)

adverb

(1) greatly; very; to a large degree

[A variation of Middle English ‘perlous,’ a syncopated alteration of ‘perilous.’]

Usage: No one can deny the parlous state of the country after years of Dubya’s régime.