Synonyms of preclude

Verb

1. prevent, forestall, foreclose, preclude, forbid

usage: 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"

2. preclude, rule out, close out, obviate, rid of, eliminate

usage: make impossible, especially beforehand

Definition and meaning of preclude (Dictionary)