• WordNet 3.6
    • adj shrewd 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"
    • adj shrewd used of persons "the most calculating and selfish men in the community"
    • ***
Webster's Revised Unabridged Dictionary
    • Shrewd 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."
    • Shrewd Artful; wily; cunning; arch. "These women are shrewd tempters with their tongues."
    • Shrewd Inclining to shrew; disposing to curse or scold; hence, vicious; malicious; evil; wicked; mischievous; vexatious; rough; unfair; shrewish. "Egypt] hath many shrewd havens, because of the great rocks that ben strong and dangerous to pass by.""Every of this happy number
      That have endured shrewd days and nights with us."
    • ***
Century Dictionary and Cyclopedia
    • shrewd Evil; accursed; malignant; wicked.
    • shrewd Having a curst temper; scolding; vixenish; shrewish.
    • shrewd Annoying; mischievous; vexatious; troublesome; malicious.
    • shrewd Sharp: keen; biting; harsh.
    • shrewd Sly; canning; artful; spiteful.
    • shrewd Astute; sagacious; discriminating; discerning; smart; sharp: as, a shrewd man of the world.
    • shrewd Indicating shrewdness; due to shrewdness; involving or displaying sagacity or astuteness: as, a shrewd remark; a shrewd face.
    • shrewd Synonyms Artful, Sly, etc., (see cunning), wily, subtle.
    • shrewd Acute, Keen, etc. (see acute), discerning, penetrating, politic, ingenious.
    • ***
Chambers's Twentieth Century Dictionary
    • adj Shrewd of an acute judgment: biting, keen: sly, malicious, wicked, cunning, vixenish
    • ***


  • Bible
    “Be not curious in unnecessary matters: for more things are shrewd unto thee than men understand.”
  • Alexander Pope
    “There goes a saying, and 'twas shrewdly said, Old fish at table, but young flesh in bed.”
  • Charles Horton Cooley
    “A talent somewhat above mediocrity, shrewd and not too sensitive, is more likely to rise in the world than genius.”


Webster's Revised Unabridged Dictionary
Originally the p. p. of shrew, v.t
Chambers's Twentieth Century Dictionary
A.S. screáwa, a shrew-mouse, its bite having been supposed venomous; cf. Ger. scher-maus, a mole.


In literature:

So shrewd people often deceive themselves as to the character of other shrewd people.
"The International Monthly, Volume 2, No. 4, March, 1851" by Various
His big, bony frame spoke of strength, while his eye and face told the tale of shrewdness and resource.
"The Kangaroo Marines" by R. W. Campbell
His shrewd uncle saw to that.
"Blackbeard: Buccaneer" by Ralph D. Paine
His shrewd reply left no shadow of doubt in the heart of the king.
"Historic Tales, vol 10 (of 15)" by Charles Morris
William himself had been shrewd enough to fly to Germany.
"A Treasury of Heroes and Heroines" by Clayton Edwards
He was shrewd instead of stupid.
"Historic Tales, Volume 11 (of 15)" by Charles Morris
Too old to fight and work, he was too shrewd to be ignored.
"That Lass O' Lowrie's" by Frances Hodgson Burnett
He was a shrewd, honest, business-like man, and a personal friend of the President's.
"In Connection with the De Willoughby Claim" by Frances Hodgson Burnett
So great was his joy at freedom that he did not see the shrewd light in the man's eyes.
"Frank of Freedom Hill" by Samuel A. Derieux
The renegade was uncommonly shrewd.
"The Riflemen of the Ohio" by Joseph A. Altsheler

In poetry:

I know not, boy. Be sure
The Lord will temper the shrewd pain for those
Who trust in Him.
"The Dance To Death. Act V" by Emma Lazarus
The lily smells of pardon,
The rose of mirth; but mine
Smells shrewd of death and honour,
And the doom of Adam's line.
"The Mariner" by Gilbert Keith Chesterton
That love's dull smart distressed my heart
He shrewdly learnt to see,
But that I was in love with a dead man
Never suspected he.
"Her Secret" by Thomas Hardy
The Lord looked down from a thunder-clap.
(The Lord God is a crafty God.)
He heard the strings of the shrewd harp snap.
(The Lord Who is King above all gods.)
"King David" by Stephen Vincent Benet
Nay, Zamperina, save those agate Eyes
From shrewd empiric Paths where Knowledge lies;
Throw Truth to the Unlovely, when to you
It were a rash Unwisdom to be Wise.
"The Rubáiyát of Omar Khayyám Jr." by Wallace Irwin
But that shrewd frost became a friend to those
Who fronted there the Ice-King's bitter storm,
For see we not that underneath the snows
The growing wheat keeps warm?
"Arms And The Man - The New England Group" by James Barron Hope

In news:

In Crisis Mode, Motoring Shrewdly .
Romney shrewdly lays low while rivals say whacked out things.
A politically shrewd Senate Democratic staff member chatting about the future of health care negotiations stopped in midsentence late Tuesday afternoon as news flashed across his computer screen.
Allies have surrendered to his shrewd enemy.
Western Impact and Middle Eastern Response" (Jan 27), Paul Kennedy says Lewis "shrewdly points out" that the works of various Western cultural heroes "pretty much stop at the frontiers of the Arab world".
Possessing a practical and often shrewd understanding of human affairs.
Art Collection Could Prove Shrewd Investment for Lehman Brothers.
LIKE millions of homeowners, shrewd state and local governments are looking to refinance.
There's Shrewd, There's Genius and There's Marlins Owner Jeffrey Loria.
At such a young age, you might think this shrewd fund manager is unworthy of being called an investment legend.
Shrewd consumers have their apps loaded and ready.
Shrewd holiday shoppers use apps.
The untested leader has proved to be shrewd and savvy, consolidating his grip on power and boosting his image.
Occupations proved to be a shrewd tactic.
Shrewd DVD strategies reap rewards with Oscar nominations.

In science:

However, in others, such as gambling or cryptography, the use of pseudo-randomness may be detrimental—a shrewd adversary might identify and exploit any deviation from true randomness.
Private Randomness Expansion With Untrusted Devices
Their construction did not come easy, though, and have required decades of shrewd work by many people, exploiting some of the most powerful tools of theoretical physics: Bosonization, the Renormalization Group, Bethe’s Ansatz, and most recently Conformal Field Theory (CFT).
Interacting Electrons and Localized Spins: Exact Results from Conformal Field Theory