Showing clever resourcefulness in practical matters.
Artful, tricky or cunning.
Streetwise.
Knowledgeable, intelligent, keen.
Nigh accurate.
a shrewd guess
Severe, intense, hard.
a shrewd blow, or assault
Sharp, snithy, piercing.
a shrewd wind
Bad, evil, threatening.
Portending, boding.
Noxious, scatheful, mischievous.
Abusive, shrewish.
Scolding, satirical, sharp.