What does "shrewd" mean?

Shrewd: Artful; wily; cunning; arch. These women are shrewd tempters with their tongues. Shak.

Additional senses

  1. 2.Able or clever in practical affairs; sharp in business; astute; sharp-witted; sagacious; keen; as, a shrewd observer; a shrewd design; a shrewd reply. Professing to despise the ill opinion of mankind creates a shrewd suspicion that we have deserved it. Secker. -- Shrewd, Sagacious. One who is shrewd is keen to detect errors, to penetrate disguises, to foresee and guard against the selfishness of others. Shrewd is a word of less dignity than sagacious, which implies a comprehensive as well as penetrating mind, whereas shrewd does not. -- Shrewd"ly, adv. -- Shrewd"ness, n.

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