Origin of imperceptible
Examples from the Web for imperceptibly
The sun, I notice on this day when Daylight Saving has reverted to Standard Time, has imperceptibly set.
He imperceptibly turned in the direction of her stolen glance.Aurora the Magnificent|Gertrude Hall
Imperceptibly they began to touch on great industrial undertakings—the railways, the coal-mines.Sentimental Education, Volume II|Gustave Flaubert
Between winks, as imperceptibly as the coming of twilight to a cloudless sky, the vision changed to a veritable Isle of Death.Jungle Peace|William Beebe