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v. pre·vent·ed, pre·vent·ing, pre·vents
1. To keep from happening; avert: took steps to prevent the strike.
2. To keep (a person or thing) from doing something; impede: prevented us from winning; prevented the disease from spreading.
3. Archaic
a. To anticipate or counter in advance.
b. To come before; precede.
To present an obstacle: There will be a picnic if nothing prevents.

[Middle English preventen, to anticipate, from Latin praevenīre, praevent- : prae-, pre- + venīre, to come; see gwā- in Indo-European roots.]

pre·vent′a·bil′i·ty, pre·vent′i·bil′i·ty n.
pre·vent′a·ble, pre·vent′i·ble adj.
pre·vent′er n.
Synonyms: prevent, preclude, avert, obviate, forestall
These verbs mean to stop or hinder something from happening, especially by advance planning or action. Prevent implies anticipatory counteraction: "Some contemporaries believed that capitalism and the rise of an international economy would prevent war among 'civilized' states" (John Howard Morrow).
To preclude is to exclude the possibility of an event or action: "a tranquillity which ... his wife's presence would have precluded" (John Henry Newman).
Avert and obviate imply that something, such as a difficulty or necessity, has been removed or avoided: The pilot's quick thinking averted an accident. The short duration of the journey obviated the need for large food supplies. Forestall usually suggests anticipatory measures taken to counteract, neutralize, or nullify the effects of something: We installed an alarm system to forestall break-ins.
References in periodicals archive ?
Topics on the list take into account factors such severity, frequency, breadth, insidiousness, profile, and preventability.
The interventions in both the water and on land should be examined for their preventability and their Minimierbarkeit.
Core EIP activities target the most pressing issues in infectious disease and are selected with regard to what is appropriate, in particular, for the EIP network (including considerations such as the burden of disease, preventability, and providing resources not provided through categorical funding) EIP maintains sufficient flexibility for emergency response and to address new problems as they arise.
Five questions assessed knowledge/perceptions of impact and preventability of falls, self-rated general knowledge to provide FP activities, and capacity to engage in FP (perception of their role in deciding whether their organization provides FP activities, and potential to help others provide FP activities).
2012) Percentage of patients with preventable adverse drug reactions and preventability of adverse drug reactions--A meta-analysis.
To the extent that individuals within the system focus on adjudicating preventability, or whether deviation from standard of care occurred, distraction from the primary goal of improving care may result.
After implementing its reporting system, the VHA experienced a 30-fold increase in the reporting of events within 10 months, and a 100 percent increase in the perceived preventability of events with nearly all analyses being able to recommend a solution.
These criteria were severity indices, associated cost, preventability, and public interest.
Evaluation of patient-related factors associated with causality, preventability, predictability and severity of hepatotoxicity during antituberculosis treatment.
Demographic and procedural factors, contribution of patient's medical condition and preventability
However, disagreement persists about the presumed inherent preventability of all pressure ulcers [36-37].
The herbal chemical materials such as phenol compositions, dueto their useful properties, like antiradical property, preventability ability from oxidation of LDL and the hardness of other sclerosis,, have the anti-cancer property, anti-oxidation and anti-microbe, and are useful for humans health [3,4].
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