Inclining to shrew; disposing to curse or scold; hence, vicious; malicious; evil; wicked; mischievous; vexatious; rough; unfair; shrewish.
source: Webster 1913
adjective satellite
marked by practical hardheaded intelligence
A smart businessman. An astute tenant always reads the small print in a lease. He was too shrewd to go along with them on a road that could lead only to their overthrow.
source: WordNet 3.0
used of persons
The most calculating and selfish men in the community.