• WordNet 3.6
    • adj cautious showing careful forethought; never making swift decisions" "reserved and cautious","a cautious driver"
    • adj cautious avoiding excess "a conservative estimate"
    • n cautious people who are fearful and cautious "whitewater rafting is not for the timid"
    • ***
Webster's Revised Unabridged Dictionary
    • a Cautious Attentive to examine probable effects and consequences of acts with a view to avoid danger or misfortune; prudent; circumspect; wary; watchful; as, a cautious general. "Cautious feeling for another's pain.""Be swift to hear; but cautious of your tongue."
    • ***
Century Dictionary and Cyclopedia
    • cautious Possessing or exhibiting caution; attentive to probable effects and consequences of actions with a view to avoid danger or misfortune; prudent; circumspect; wary; watchful: as, a cautious general; a cautious advance.
    • cautious With of before the object of caution: wary in regard to the risks of; afraid or heedful of the dangers involved in.
    • cautious Over-prudent; timorous; timid.
    • cautious Synonyms Prudent, careful, wary, vigilant, heedful, thoughtful, scrupulous.
    • ***
Chambers's Twentieth Century Dictionary
    • adj Cautious possessing or using caution: watchful: prudent
    • ***


  • Johann Friedrich Von Schiller
    “He that is over -- cautious will accomplish little.”
  • John Boyle O'Reilly
    John Boyle O'Reilly
    “The organized charity, scrimped and iced, in the name of a cautious, statistical Christ.”
  • Tom Robbins
    Tom Robbins
    “Humanity has advanced, when it has advanced, not because it has been sober, responsible, and cautious, but because it has been playful, rebellious, and immature.”
  • Pomfret
    “The best may slip, and even the most cautious fall; but he is more than human who errors not at all.”
  • Thomas Fuller
    “Thou ought to be nice, even to superstition, in keeping thy promises, and therefore equally cautious in making them.”
  • Sophocles
    “Who feels no ills, should, therefore, fear them; and when fortune smiles, be doubly cautious, lest destruction come remorseless on him, and he fall unpitied.”


Webster's Revised Unabridged Dictionary
Cf. L. cautus, fr. caver,. See Caution
Chambers's Twentieth Century Dictionary
Fr.,—L. caution-emcavēre, to beware.


In literature:

Be cautious and preserve absolute secrecy when you leave home as to your destination.
"Bidwell's Travels, from Wall Street to London Prison" by Austin Biron Bidwell
Instead, he followed them cautiously about half a mile.
"The Eyes of the Woods" by Joseph A. Altsheler
He heard nothing and then drew himself up cautiously over the edge of the cliff.
"The Border Watch" by Joseph A. Altsheler
Let him only be cautious about his second descent into the night.
"The Goose Man" by Jacob Wassermann
With this belief they again put the canoe in motion, and glided slowly and cautiously onward.
"Popular Adventure Tales" by Mayne Reid
His voice was low and cautious.
"Isle o' Dreams" by Frederick F. Moore
Cautiously Alex rose to his knees, and began creeping forward to investigate.
"The Young Railroaders" by Francis Lovell Coombs
He cautiously leaned forward, and grasping the letter, returned it once more in safety to his pocket.
"The Hero of Garside School" by J. Harwood Panting
One has to be most cautious also.
"The Submarine Hunters" by Percy F. Westerman
The girl, from the shelter of a pine, looked out cautiously at the trooper.
"The Flaming Jewel" by Robert W. Chambers

In poetry:

With what doubting eyes, oh sparrow,
Thou regardest me,
Underneath yon spray of yarrow,
Dipping cautiously.
"A Re-Assurance" by Archibald Lampman
Ambitious, cautious, yet the man
To strike down fraud with resolute hand;
A patriot, if a partisan,
He loved his native land.
"Samuel J. Tilden" by John Greenleaf Whittier
The eye may try to be a charm,
But from the heart's imperial throng,
Come penciled lines of right and wrong—
She's cautious.
"The Model Girl" by Frank Barbour Coffin
No hasty fool, of stubborn will,
But prudent, cautious, pliant, still;
Who, since his work was good,
Would do it, as he could.
"Abraham Lincoln: An Horatian Ode" by Richard Henry Stoddard
One hanging should you find alone,
Be cautious not to cut him down;
Lest in a little time you be
In a more dreadful state than he.
"The True Lover's Knot" by William Hutton
Ye Jurors cautiously proceed,
When the question's left to you,
Not 'Has the Culprit done the deed?'
But 'Was the deed a crime to do?'
"The Culprit" by Nathaniel Bloomfield

In news:

Women Angel Investors Are More Cautious .
New North businesses profitable, but cautious about hiring.
Local leaders are cautiously approaching a new proposal from a bio aviation company looking at Bloomington-Normal.
Cautious Companies Stockpile Cash.
NEW YORK (AP) — A survey of small business owners shows they remained cautious during the summer about borrowing money.
MHS takes cautious , yet innovative, approach to mobile health initiatives.
NEW YORK—A survey of small business owners shows they remained cautious during the summer about borrowing money.
Bosses must be more cautious in judging Carter fit.
Investors cautious amid fiscal cliff concerns.
Double fatality on 101 spurs plea for drivers to be more cautious .
Harford CC Should be Cautious about Future Building.
Fiscal cliff makes TN businesses cautious .
Sina Can Weibo Its Way To $67 Despite Being Cautious On Ad Spending.
Health plans report gains but remain financially cautious .
Google's indoor maps expand slowly amid cautious adoption.

In science:

Hence, the LRT must be employed cautiously; however, it has been employed in several problems of practical importance where certain required regularity conditions are violated .
A New Technique for Finding Needles in Haystacks: A Geometric Approach to Distinguishing Between a New Source and Random Fluctuations
One should be cautious that uncertainties on the details of these disks and emission processes can affect the characteristics of the luminosities obtained.
Post-merger electromagnetic emissions from disks perturbed by binary black holes
We emphasize that one should be cautious in geometric interpretation of this result.
alpha'-corrections and heterotic black holes
Hence, the resulting arbitrage-free prices computed in these models should be used in practice rather cautiously.
Overview of utility-based valuation
One has to be cautious here because the dimensionality of triangle spaces like anb can be bigger13 than 1; in other words the space of essential paths from a to b and of length n may have a dimension bigger than 1.
Notes on TQFT Wire Models and Coherence Equations for SU(3) Triangular Cells