Shrewd

Used as Adjective

• Showing clever resourcefulness in practical matters.

• Artful, tricky or cunning.

• Streetwise.

• Knowledgeable, intelligent, keen.

• Nigh accurate.

• Severe, intense, hard.

• Sharp, snithy, piercing.

• Bad, evil, threatening.

• Portending, boding.

• Noxious, scatheful, mischievous.

• Abusive, shrewish.

• Scolding, satirical, sharp.