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Imperceptible vs Unnoticeable - What's the difference?

imperceptible | unnoticeable |

As adjectives the difference between imperceptible and unnoticeable

is that imperceptible is not perceptible, not detectable, too small in magnitude to be observed while unnoticeable is not noticeable.

imperceptible

English

Adjective

(en adjective)
  • Not perceptible, not detectable, too small in magnitude to be observed.
    • We all missed the imperceptible shake of his head as he tried to warn us without being seen.

    unnoticeable

    English

    Adjective

    (en adjective)
  • Not noticeable