The universal experience of ages, showing that children do grow imperceptibly from the cradle to manhood, did not exist for the countess.
He began his story meaning to tell everything just as it happened, but imperceptibly, involuntarily, and inevitably he lapsed into falsehood.
How such a consciousness is communicated is very difficult to define, but it certainly is communicated very surely, and flows rapidly, imperceptibly, and irrepressibly, as water does in a creek.
The misty sky still seemed to descend evenly and imperceptibly toward the earth, the air was still, warm, and silent.
Boris smiled almost imperceptibly while listening to his mother.
But on the road, the highroad along which the troops marched, there was no such freshness even at night or when the road passed through the forest; the dew was imperceptible on the sandy dust churned up more than six inches deep.
Only by watching closely moment by moment the movement of that flow and comparing it with the movement of the ship do we convince ourselves that every bit of it is occasioned by the forward movement of the ship, and that we were led into error by the fact that we ourselves were imperceptibly moving.
Moment by moment the event is imperceptibly shaping itself, and at every moment of this continuous, uninterrupted shaping of events the commander in chief is in the midst of a most complex play of intrigues, worries, contingencies, authorities, projects, counsels, threats, and deceptions and is continually obliged to reply to innumerable questions addressed to him, which constantly conflict with one another.
There are no more uses of "imperceptible" in the book.
Show samples from other sources
...and he let the line slip down, down, down, unrolling off the first of the two reserve coils. As it went down, slipping lightly through the old man’s fingers, he still could feel the great weight, though the pressure of his thumb and finger were almost imperceptible.