Astute vs. Shrewd — What's the Difference?

Having or showing shrewdness and discernment, especially with respect to one's own concerns.

Having or showing a clever awareness or resourcefulness, especially in practical matters.

Quickly and critically discerning.

Disposed to or marked by artful and cunning practices; tricky.

Shrewd or crafty.

(Archaic) Sharp; penetrating

Critically discerning; sagacious; shrewd; subtle; crafty.

Showing clever resourcefulness in practical matters.

Marked by practical hardheaded intelligence;

Artful, tricky or cunning.

(informal) Streetwise, street-smart.

Knowledgeable, intelligent, keen.

Nigh accurate.

Severe, intense, hard.

Sharp, snithy, piercing.

(archaic) Bad, evil, threatening.

(obsolete) Portending, boding.

(archaic) Noxious, scatheful, mischievous.

(obsolete) Abusive, shrewish.

(archaic) Scolding, satirical, sharp.

Inclining to shrew; disposing to curse or scold; hence, vicious; malicious; evil; wicked; mischievous; vexatious; rough; unfair; shrewish.

Artful; wily; cunning; arch.

Able or clever in practical affairs; sharp in business; astute; sharp-witted; sagacious; keen; as, a shrewd observer; a shrewd design; a shrewd reply.

Marked by practical hardheaded intelligence;

Used of persons;