The instances of a word shade off into other movements by imperceptible degrees.

Like the coral islands of the Pacific, it may, for aught we know, be still rising by slow and imperceptible degrees.

Some four hours later, their positions had altered by a degree so imperceptible as to be understood only by the participants.

But I was brought to it by slow, and almost imperceptible degrees.

By imperceptible degrees, he had become known among the people.

She was born to bustle, and the forced idleness dragged her down by imperceptible degrees, a little more each day.

You rent a slender swath of space, both vertical and inclined those few, almost imperceptible, degrees.

Her face changed very slowly--by such imperceptible degrees as when at dawn light comes into a clear day.

It happened quickly, yet by imperceptible degrees.

Copperfield stalked toward the door, his pace slowing by imperceptible degrees with each step.