What is "precludes"

Usage examples of "precludes".

His absence of depressive symptoms or severe agitation precludes any suggestion of medication at this time and his general attitude indicates that he would strongly oppose it.

Fifty percent of the sale price is immediately disbursed to the New York State Crime Victims Board, which was responsible for drafting the Son of Sam law that precludes state prisoners from profiting in any way from their crimes.