Allow to grow that which should be there naturally but is not due to unnatural forces.

Super-villains usually hold some kind of unnatural force.

According to the story the castle was destroyed by unnatural forces in the late 1920s.

The 12-tone order failed to make atonality second nature; at the same time, it tamed atonality's unnatural force.

Mrs. Rhodes brought up their sample: a cylinder of rock undisturbed by unnatural forces for the better part of two million years.

When eclipses were not well understood, they were sometimes associated with unnatural forces.

Space opened, torn apart by unnatural forces, and from a place where nothing comes from, came something the size of a world.

The reason, it said, is that the subsidy program, with its unnatural economic forces, caused farmers to reject practices that were less destructive to the environment.

But the dominant interest is baseball, and Japanese fans wonder what unnatural forces, and disasters, may lie ahead.

As if, having made up his mind, he could compel natural and unnatural forces to obey him.