prevent
word
Definition
To stop something from happening or stop someone from doing something. It is often used for avoiding problems, accidents, diseases, or unwanted actions.
Usage & Nuances
Common patterns are 'prevent something', 'prevent someone from doing something', and 'help prevent'. It is more formal than 'stop' in many contexts, especially in health, safety, and official writing. Do not say 'prevent to do'; use 'prevent ... from doing'.
Example Sentences
Washing your hands can prevent illness.
basic
The fence will prevent the dog from running away.
basic
A helmet helps prevent head injuries.
basic
Nothing could have prevented that storm from causing damage.
natural
We need better planning to prevent this from happening again.
natural
The heavy traffic prevented me from getting there on time.
natural