Preclude

• (v.) To shut out by anticipative action; to prevent or hinder by necessary consequence or implication; to deter action of, access to, employment of, etc.; to render ineffectual; to obviate by anticipation. • (v.) To put a barrier before; hence, to shut out; to hinder; to stop; to impede.
Found on http://thinkexist.com/dictionary/meaning/preclude/

preclude

1. To put a barrier before; hence, to shut out; to hinder; to stop; to impede. 'The valves preclude the blood from entering the veins.' (E. Darwin) ... 2. To shut out by anticipative action; to prevent or hinder by necessary consequence or implication; to deter action of, access to, employment of, etc.; to render ineffectual; to obviate by anticipa...
Found on http://www.encyclo.co.uk/local/20973

Preclude

Pre·clude' transitive verb [ imperfect & past participle Precluded ; present participle & verbal noun Precluding .] [ Latin praecludere , praeclusum ; prae before + claudere to shut. See Close ,
Found on http://www.encyclo.co.uk/webster/P/145

preclude

make impossible, especially beforehand
Found on https://www.vocabulary.com/lists/191198

preclude

preclude 1. To make impossible, especially beforehand. 2. To keep from happening or arising. 3. To have the effect of preventing. 4. To prevent the presence, existence, or occurrence of; to make impossible: 'The judge stated that insufficiency of the evidence precludes a conviction.' 5. To exclude or debar from something: 'The physical disabilit...
Found on http://www.wordinfo.info/words/index/info/view_unit/1744/4

preclude

prevent make impossible 
Found on http://www.graduateshotline.com/list.html

preclude

To prevent or stop
Found on https://www.nycourts.gov/lawlibraries/glossary.shtml

preclude

[v] - make impossible, esp. beforehand
Found on http://www.webdictionary.co.uk/definition.php?query=preclude
No exact match found