prevent

/pri'vent/
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Thân thiện
prevent

A child wears a helmet to prevent head injuries while riding a scooter.

Definition
  1. Verb:
    • To stop (someone or something) from doing something or from being in a certain state: To take action to hinder or avert an event, action, or condition.
    • To keep from happening or arising; make impossible: To act as a barrier or obstacle that makes a particular outcome unattainable.
Examples of Usage
  • Verb:
    • Vaccinations help prevent serious diseases.
    • A strong password can prevent unauthorized access to your account.
    • The police set up barriers to prevent the crowd from entering the restricted area.
    • Regular maintenance can prevent major problems with your car.
Advanced Usage
  • "to prevent something (from) happening": A common construction emphasizing the action taken to stop an event.
    • The new law is designed to prevent such accidents from happening again.
  • "preventive/preventative" (Adjective): Describing actions taken to stop something undesirable from occurring.
    • Preventive medicine focuses on stopping illness before it starts.
  • In a formal or legal context: Often used to describe measures that forestall an action or consequence.
    • The injunction was granted to prevent irreparable harm to the business.
Variants and Related Words
  • Prevention (n): The act of preventing something.
    • Crime prevention is a key goal for the community.
  • Preventable (adj): Describing something that can be stopped from happening.
    • Many childhood diseases are now preventable.
  • Preventive/Preventative (adj/n): (As above) Used as both an adjective and a noun (e.g., a preventive).
    • Flu shots are an important preventative.
Synonyms
  • Stop: To cause to cease moving or operating.
  • Hinder: To create difficulties for someone or something, resulting in delay or obstruction.
  • Avert: To turn away or prevent something bad from happening.
  • Forestall: To prevent or obstruct (an anticipated event or action) by taking advance action.
Related Phrasal Verbs

(Note: "Prevent" is not commonly used with particles to form phrasal verbs. Its meaning is typically expressed through the structure "prevent [object] (from) [verb-ing].")

Related Idioms
  • "An ounce of prevention is worth a pound of cure": This proverb emphasizes that it is easier and better to stop a problem before it happens than to fix it afterward. It is related to the concept of preventive action.
    • Remember to check your tire pressure regularly. An ounce of prevention is worth a pound of cure.
prevent

A child wears a helmet to prevent head injuries while riding a scooter.

Verb
  1. 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
  2. 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

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