’You will tell me a different tale one of these days,’ said Harry, colouring without any perceptible reason.
Jingling and clattering, till distance rendered its noise inaudible, and its rapid progress only perceptible to the eye, the vehicle wound its way along the road, almost hidden in a cloud of dust: now wholly disappearing, and now becoming visible again, as intervening objects, or the intricacies of the way, permitted.
…lacking the niceties of discrimination, and being troubled with no more subtle misgivings than those which resolve themselves into a dogged roughness of behaviour towards everybody; and being, furthermore, in an unusually amiable condition, as has been already observed; saw nothing unusual in her demeanor, and indeed, troubled himself so little about her, that, had her agitation been far more perceptible than it was, it would have been very unlikely to have awakened his suspicions.
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.