Preventing entry there was almost impossible, with so many ways of transportation available.

He kept this plan a secret, in the event that a training accident would prevent his entry and cause him to lose face.

The institution of the family in its present form continues to prevent women's full entry into the public arena on equal terms with men.

That too won't prevent entry but we'll know if someone has broken in.

It also prevented entry of light, and even though Curt's eyes had adjusted to the dark, he still could not see a thing.

Others are more simplistic, but still effective at preventing unwanted entry.

Walls are often seen in popular culture representing barriers preventing progress or entry.

You designed five byzantine tests that prevented British entry these past 10 years.

Opponents of the dump have vowed to prevent entry to the sites.

On entering the bathroom, one should lock the opposite door to prevent entry from the other bedroom.