Antonyms of verb prevent

1 of 2 senses of prevent

Sense 2
prevent, keep -- (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")
       Antonym of let (Sense 1)
      => let, allow, permit -- (make it possible through a specific action or lack of action for something to happen; "This permits the water to rush in"; "This sealed door won't allow the water come into the basement"; "This will permit the rain to run off")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb prevent

2 senses of prevent

Sense 1
prevent, forestall, foreclose, preclude, forbid -- (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")

Sense 2
prevent, keep -- (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")