Several new channels had been cut through this landscape, but even the cool rock was extremely irregular.

The hours at which I obey the injunctions of nature are in general extremely irregular.

The coast, about 25,000 miles (40,000 km) long, is extremely irregular and dotted with many islands.

Close examination of affected features show that the doubling is extremely irregular.

The area experiences a winter storm with significant snowfall about once each year, however this can be extremely irregular.

By 2001, the printing schedule became extremely irregular, and output fell from four issues a year, to as little as one.

The term hummock, or hummocky, is also applied to extremely irregular surfaces.

That is the sole predictable factor in an extremely irregular and unpredictable schedule.

It seemed to be about a quarter-acre in extent and perhaps four meters high, its shape extremely irregular.

These kinds of puzzles often have extremely irregular components, which come together in a regular shape only at the very last step.