A single failure on a single examination will prevent graduation.

The failure to join the appeal does not prevent the state from filing briefs in the case.

A mechanical failure prevented Jones from completing his qualifying lap, meaning he would not be allowed to start the race.

A technical failure prevented viewers from seeing 29 minutes of the game video.

You do not have to furnish the information, but failure to do so may prevent your request from being processed.

Up to now my own failures, weaknesses, have prevented me from helping the people I should have helped.

Their failure to do so prevents them from seeing how all the items fit the same pattern.

She added that Howarth's failure to appear prevented a full debate on science policy.

Other charges involved failure to prevent harsh treatment of prisoners by other guards.

The failure of the operation prevented the murder of the four Uruguayans.