Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Adjective: imperceptible  ,im-pu(r)'sep-tu-bul
  1. Impossible or difficult to perceive by the mind or senses
    "an imperceptible drop in temperature";
    - unperceivable

See also: impalpable, inaudible, incognisable [Brit], incognizable, incognoscible, indiscernible, insensible, invisible, subliminal, undetectable, unhearable, unobservable, unseeable

Encyclopedia: Imperceptible