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preclude (v.)

1610s, from Latin praecludere "to close, shut off; hinder, impede," from prae "before, ahead" (see pre-) + claudere "to shut" (see close (v.)). Related: Precluded; precluding.

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Definitions of preclude from WordNet

preclude (v.)
keep from happening or arising; make impossible;
Your role in the projects precludes your involvement in the competitive project
preclude (v.)
make impossible, especially beforehand;
Synonyms: rule out / close out
From wordnet.princeton.edu