The raceway's principal virtue is that it allows people to race rodents without handling them.

These were limited-capability ships, whose principal virtue was near-term availability.

Speed and, more importantly, the benefit to overall response time is the principal virtue sought by the military forces that are using the tiltrotor.

The Houyhnhnms consider friendship and benevolence to be the two principal virtues.

A principal virtue of CD's is their ability to provide ample and accurate bass.

Subject to damage by hot or sharp objects, the principal virtue of these sinks is their low cost.

The principal virtue of the reading, though, was the sense of electricity that ran through it.

His principal virtue was that he never pretended to be anything else.

Forbearance is one of the principal virtues promoted by his discipline.

She often thought that graciousness had become the common and principal virtue of humanity.