Dictionary

imperceptible

adjective im·per·cep·ti·ble \ˌim-pər-ˈsep-tə-bəl\

: impossible to see or notice

Full Definition of IMPERCEPTIBLE

:  not perceptible by a sense or by the mind :  extremely slight, gradual, or subtle <imperceptible differences>
im·per·cep·ti·bly \-ˈsep-tə-blē\ adverb

Examples of IMPERCEPTIBLE

  1. These changes will be imperceptible to most people.
  2. <a slight difference in hue between the two glasses that's imperceptible unless they're placed side by side>

Origin of IMPERCEPTIBLE

Middle English, from Middle French, from Medieval Latin imperceptibilis, from Latin in- + Late Latin perceptibilis perceptible
First Known Use: 15th century

Rhymes with IMPERCEPTIBLE

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