shrewdest

Pronunciation:  US [ʃrud] UK [ʃruːd]
  • adj.Smart; Sharp; Insight; Computer-savvy
  • WebClever; Crafty; Alert
astute canny clear-eyed clear-sighted hard-boiled hardheaded heady knowing savvy sharp sharp-witted smart
  • A shrewd business, and a dangerous.
    Source: T. Middleton