But as Ms. Marechaux saw it, the ultimate barrier might be that Mr. O'Keefe and his backers expect too sweet a deal.

On the way to the ultimate barrier, some inner voice told her that she had to look.

The selection of Ms. Campbell broke what had become the ultimate symbolic and psychological barrier for Canadian women.

Once these flexions are performed, the horse can no longer evade poll flexion and the jaw must stay soft, making the hand the ultimate barrier.

The equatorial deserts had not been the ultimate barrier, after all.

Notice that by the time we meet the ultimate barrier, the aliens themselves, we have already planted the fact that they are uncommunicative.

In "The Shining Ones," the aliens' lack of communication with the humans was the ultimate barrier.

During his confrontation with Gideon, his ultimate barrier in reuniting with Ramona, Scott says: "I don't even want to fight you!

Odrade, the obvious person to produce the Manifesto, could only achieve a deeper insight as she wrote the document, but the words themselves were the ultimate barrier to revelation.

Wearing high-SPF sunscreens is the ultimate physical barrier to help avoid burns and repigmentation.