Everybody will live more than a century now, barring accident.
It's built into your genes; barring accidents, you live just that long.
If Weres can get through the first few months, they live a good long while, barring accidents.
Things were different now, it had to be admitted; for barring accident, these kids would probably live a full span.
In a few days we shall be at Constantinople, barring accidents.
But the average life span was up to seventy-some years, barring accidents.
Everything in the ship was a machine which did what it was expected to do, barring accidents.
Before they found one their captive was a mile ahead of them, and, barring accident, quite beyond recapture.
It never died, barring accidents; it simply grew and divided.
Whoever is ahead Saturday night seems virtually certain of holding the lead Sunday, barring accidents.