"But we know all who had pledges, and you are the only one who hasn’t come forward," Porfiry answered with hardly perceptible irony.
"Is it still a dream?" he wondered and again raised his eyelids hardly perceptibly; the stranger was standing in the same place, still watching him.
At the first glance it was apparent that he had had a great deal to drink and, though no amount of liquor made Razumihin quite drunk, this time he was perceptibly affected by it.
Again it became suddenly plain and perceptible to him that he had just told a fearful lie—that he would never now be able to speak freely of everything—that he would never again be able to speak of anything to anyone.
There are no more uses of "perceptible" in the book.
Show samples from other sources
The car makes a barely perceptible clicking sound at high speeds.