• Clamping up Boards to Prevent Warping
    Clamping up Boards to Prevent Warping
  • WordNet 3.6
    • v prevent stop (someone or something) from doing something or being in a certain state "We must prevent the cancer from spreading","His snoring kept me from falling asleep","Keep the child from eating the marbles"
    • v prevent keep from happening or arising; make impossible "My sense of tact forbids an honest answer","Your role in the projects precludes your involvement in the competitive project"
    • ***

Additional illustrations & photos:


Webster's Revised Unabridged Dictionary
  • Interesting fact: All traffic stopped as people switched sides. This time and day were chosen to prevent accidents where drivers would have gotten up in the morning and been too sleepy to realize 'this' was the day of the changeover.
    • Prevent To be beforehand with; to anticipate. "Their ready guilt preventing thy commands."
    • v. i Prevent To come before the usual time. "Strawberries . . . will prevent and come early."
    • Prevent To go before; to precede; hence, to go before as a guide; to direct. "We which are alive and remain unto the coming of the Lord shall not prevent them which are asleep.""We pray thee that thy grace may always prevent and follow us.""Then had I come, preventing Sheba's queen."
    • Prevent To intercept; to hinder; to frustrate; to stop; to thwart. "This vile purpose to prevent .""Perhaps forestalling night prevented them."
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: Rubbing cocoa butter on your abdomen during pregnancy will prevent stretch marks.
    • prevent To go before; be earlier than; anticipate; forestall.
    • prevent To take previous measures against; hence, to frustrate; disappoint; evade; escape.
    • prevent To hinder from action by the opposition of obstacles; impede; restrain; check; preclude: generally followed by from.
    • prevent To keep from existing or occurring; render impossible.
    • prevent Synonyms To preclude, bar, debar.
    • prevent To come beforehand; come before others, or before the usual time.
    • prevent To interpose a hindrance, especially an insurmountable obstacle; interpose an effectual check; hinder.
    • ***
Chambers's Twentieth Century Dictionary
  • Interesting fact: The American Society for Prevention of Cruelty to Animals (ASPCA) was formed in 1866.
    • v.t Prevent prē-vent′ to hinder: to check: to render impossible:
    • n Prevent that which prevents: a preservative
    • v.t Prevent prē-vent′ (orig.) to go before: to be earlier than
    • ***


  • Anthony Hope Hawkins
    Anthony Hope Hawkins
    “Boys will be boys. And even that wouldn't matter if only we could prevent girls from being girls.”
  • English Proverb
    English Proverb
    “A stumble may prevent a fall.”
  • Tryon Edwards
    “To rule one's anger is well; to prevent it is better.”
  • Georg C. Lichtenberg
    “There are very many people who read simply to prevent themselves from thinking.”
  • Francis Quarles
    “Let the fear of a danger be a spur to prevent it; he that fears not, gives advantage to the danger.”
  • Benjamin Franklin
    “It is easier to prevent bad habits than to break them.”


An ounce of prevention is worth a pound of cure - This expression means that is is better to try to avoid problems in the first place, rather than trying to fix them once they arise.


Webster's Revised Unabridged Dictionary
L. praevenire, praeventum,; prae, before + venire, to come. See Come
Chambers's Twentieth Century Dictionary
L. præventus, pa.p. of prævenīrepræ, before, venīre, to come.


In literature:

This occupation prevented me from thinking of what had occurred, and kept me in good spirits.
"Peter the Whaler" by W.H.G. Kingston
We must, therefore, try to prevent them from landing, but without discovering ourselves.
"The Secret of the Island" by W.H.G. Kingston (translation from Jules Verne)
I have before been prevented mentioning anything respecting those of my shipmates who had escaped with their lives.
"Will Weatherhelm" by W.H.G. Kingston
What, therefore, prevents everyone enjoying it at all times?
"Papers on Health" by John Kirk
There were numerous turns in the lagoon, which prevented them at first from feeling the wind.
"Paul Gerrard" by W.H.G. Kingston
Warm Bath tends to prevent Colds; and why.
"A Treatise on Domestic Economy" by Catherine Esther Beecher
And yet it unquestionably has a preventive purpose and meaning.
"Preventable Diseases" by Woods Hutchinson
It is advisable for the traveller to be present when the luggage is weighed, to prevent fraud.
"Across Coveted Lands" by Arnold Henry Savage Landor
When on the shore, he tried to go down the river in hope of rescuing her, but loss of blood and his fatigue prevented.
"Oswald Langdon" by Carson Jay Lee
These bands are wound around the legs above the ankles, thus preventing snow and wind from penetrating.
"The Land of the Long Night" by Paul du Chaillu

In poetry:

O Oum-Amr, you have prevented me from the cup
When it should have been moving to the right;
And yet the one of us three that you would not serve
Is not the least worthy.
"Moallaka - II" by Edward Powys Mathers
But you sink, for your eyes
Are altering—altered! Stay—"I love you, love" . . .
I could prevent it if I understood:
More of your words to me: was't in the tone
Or the words, your power?
"Pippa Passes: Part II: Noon" by Robert Browning
To Jesus our Saviour some parents presented
Their children—what fears and what hopes they must feel!
When this the disciples would fain have prevented,
Our Saviour reproved their unseasonable zeal.
"Suffer Little Children, And Forbid Them Not, To Come Unto Me" by Charles Lamb
Tha'rt noa beauty;--nivver wor;--nivver will;
Ther's lots like thee amang men,--but then still,
Sich is fate;
An its fooilish for to be discontent
At a thing we've noa paar to prevent.
That's true mate.
"A Lucky Dog" by John Hartley
Now, a man in Oodnadatta
He grew fat, and he grew fatter,
Though he hardly had a thing to eat for dinner;
While a man in Booboorowie
Often sat and wondered how he
Could prevent himself from growing any thinner.
"A Change of Air" by C J Dennis
And by this time the heroic Barber's strength was failing,
And his efforts to warn the family upstairs were unavailing;
And, before the alarm was given, the house was in flames,
Which prevented anything being done, after all his pains.
"Calamity in London" by William Topaz McGonagall

In news:

Today, Friday, July 27, the first round of FY2011 Fire Prevention and.
To prevent the apricots from burning or drying out too quickly, use the freshest, plumpest dried fruit you can find.
Although Neekahna's injury prevents her from being returned to the wild, she has helped to educate countless thousands of people about her species.
ASSE Offers Workplace Violence Prevention Tips.
NFL Charities is awarding more than $1.5 million in grants for sports-related medical research at 15 organizations, with nearly two-thirds of the money going to study concussion prevention and treatment.
If "an ounce of prevention is worth a pound of cure," are there preventative measures hospitals could use to make good on bad debt .
"On the surface, this appears unusual," said Dr Marc Fischer, a medical epidemiologist at the federal Centers for Disease Control and Prevention in Atlanta.
A Dallas County task force has recommended sweeping changes to a flawed bail bond forfeiture system that could bring in millions in untapped revenue and prevent fugitives from going unpunished.
South Dakota has closed creeks, streams and rivers to the taking of baitfish by traps, nets and seines to prevent the spread of aquatic nuisance species such as Asian carp.
While the technique won't prevent baldness from occurring, it may one day allow men to regrow their hair so they no longer have to look like a wrinkled, bald mouse.
Educating patients about their blood type and the health risks associated with it could help prevent cardiovascular disease, a study says.
WASHINGTON POST) Mayor Vincent C. Gray (D) today signed a long-awaited bill that takes steps to prevent youth bullying.
A bus company notified the City of Bayonne it would be discontinuing its service on John F Kennedy Blvd, but Mayor Mark Smith aims to prevent that from happening.
Two medical organizations release updated preventive treatments for migraine headaches.
US Preventive Services Task Force on Tuesday issued a draft recommendation around the ineffectiveness of vitamin D and calcium to prevent cancer or fractures.

In science:

Such oscillations are common for systems with synchronous updates [18, 22]: randomization is a simple technique to prevent spurious synchronization of agent activity.
Multiagent Control of Self-reconfigurable Robots
However the term φ(2) n prevents us to apply the theorem directly.
Classification of simple $C^*$-algebras of tracial topological rank zero
However, the small number of pulsars currently known in the SMC prevents significant constraints on the parameter assumptions made in these estimates.
Radio Pulsars in the Magellanic Clouds
This prevents a term like Aµdydxµ from appearing in (2.2).
Bosonic M Theory
In the quantum case, unitarity prevents the walk from reaching a steady state.
An example of the difference between quantum and classical random walks