- Preclude is defined as to prevent something from happening or to prevent someone from doing something.
An example of preclude is when you take someone's keys away so that they cannot drive.
transitive verbpre·clud·ed, pre·clud·ing, pre·cludes
- To make impossible, as by action taken in advance; prevent. See Synonyms at prevent.
- To exclude or prevent (someone) from a given condition or activity: Modesty precludes me from accepting the honor.
Origin of precludeLatin praeclūdere : prae-, pre- + claudere, to close.
(third-person singular simple present precludes, present participle precluding, simple past and past participle precluded)