Subliminal Definition

Below the threshold of consciousness or apprehension; specif., involving or using stimuli intended to take effect subconsciously by repetition.
Webster's New World
Inadequate to produce conscious awareness but able to evoke a response.
Subliminal propaganda.
American Heritage Medicine
The definition of subliminal is something that is not easily perceived; but may be remembered due to constant repetition.
An example of subliminal used as an adjective is the phrase "subliminal message," which means a message that may be remembered even if the person was not consciously aware of the message.

Origin of Subliminal

  • Morphologically sub- + Latin lÄ«men (“threshold") (genitive lÄ«minis) + -al, a calque of German unterschwellig (“beneath the threshold").

    From Wiktionary

  • sub– Latin līmen līmin- threshold

    From American Heritage Dictionary of the English Language, 5th Edition

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