Definition of imperceptible in English:

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Pronunciation: /ɪmpəˈsɛptɪb(ə)l/


So slight, gradual, or subtle as not to be perceived: his head moved in an almost imperceptible nod
More example sentences
  • As for the winters, though, I find I relish them, and can't imagine living anywhere in which the seasons are so slight as to be imperceptible.
  • You put things out in the world hoping that it might be relevant to someone, but these things are subtle, imperceptible.
  • It was subtle, almost imperceptible from where we were sitting, but I noticed it and so did Lori.
unnoticeable, undetectable, indistinguishable, indiscernible, unapparent, inappreciable, invisible, inaudible, impalpable, unobtrusive, impossible to detect;
slight, small, subtle, faint, fine, inconsequential, negligible, tiny, minute, minuscule, microscopic, nanoscopic, infinitesimal;
indistinct, unclear, obscure, vague, indefinite, shadowy, hard to make out



Pronunciation: /ɪmpəˌsɛptɪˈbɪlɪti/
Example sentences
  • Luckily for you, you have your own form of imperceptibility that works without magic or cutting-edge technology, since it's based entirely on your own sense of timing, tact and gut instinct.
  • Unfortunately, high payload has to be achieved at the expenses of imperceptibility as well.
  • Finally, we will investigate the tradeoffs among data imperceptibility, data hiding capacity, and probabilities of extraction errors in different applications.


Late Middle English: from French, or from medieval Latin imperceptibilis, from in- 'not' + perceptibilis, from the verb percipere (see perceive).

Words that rhyme with imperceptible

perceptible, susceptible
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