prevent

/prɪˈvɛnt/

Reviewed on

Type

Verb

Meaning

  1. To keep something undesirable from happening.

    • Regular maintenance will prevent major mechanical failures down the road.

    • Can early intervention really prevent these chronic health issues?

  2. To stop someone from doing something or from succeeding.

    • Heavy snowfall prevented the team from reaching the summit on schedule.

    • Nothing could have prevented him from finishing the race.

How it's used

When this means “stop an event”

  • prevent the accident

“prevent it.”

Safety regulations help prevent serious accidents.

When this means “stop someone from doing something”

  • prevent the customer from entering

“prevented him from entering.”

A security guard prevented the visitor from entering the building.

Collocations

  • prevent an accident
  • prevent disease
  • prevent fraud
  • measures to prevent

Synonyms

Antonyms