prevents
word · lemma: prevent
Definition
Stops something from happening or keeps something from occurring. Used when someone or something makes sure a problem or negative event does not take place.
Usage & Nuances
'Prevents' is formal and often used for health, safety, or rules (e.g., 'prevents accidents', 'prevents illness'). Usually takes an object ('prevents something'). Not used for personal refusal (use 'refuses', 'stops himself'). Common in written and spoken English.
Example Sentences
Washing your hands prevents many diseases.
basic
A seatbelt prevents injuries in a car accident.
basic
This medicine prevents headaches.
basic
Good communication prevents a lot of misunderstandings at work.
natural
Her busy schedule prevents her from coming tonight.
natural
Nothing prevents you from asking questions if you're confused.
natural