Perseus itself offers some significant caveats to its study.

A second Pentagon adviser agreed, with a significant caveat.

There is one significant but largely symbolic caveat: any domestic legislation overriding the conventions and the conduct it authorized could still violate international law.

THE professors' strategy does come with significant caveats about its real-world profitability.

"Rumours" was met with mixed to favorable reviews from the critics, though many of the latter listed significant caveats.

But he added a significant caveat.

A year ago, we gave the iPhone an 8 overall (with significant caveats based on personal use).

But there is one significant caveat: Only small foreign companies, with fewer than 500 employees, will be permitted to own more than 49 percent.

There is one significant caveat to all of this.

There are significant caveats to the more positive outlook.