prevent
pri vent
- v keep from happening or arising; make impossible
- v stop (someone or something) from doing something or being in a certain state
We must prevent the cancer from spreading
- Omega-3s prevent platelets in the blood from clumping together and sticking to arterial walls in the form of plaque.
- By simply posting the last election's voter roll online, Bangladeshi corruption fighters hope to prevent voting fraud.
- In a large, definitive trial, researchers find that the popular supplement gingko biloba does not prevent memory loss.