subliminal
/sʌbˈlɪm.ɪ.nəl/ adjective C2- Of a stimulus, below the limen or threshold of conscious perception, especially if still able to produce a response; also (generally), below the threshold where a response can be produced.
- Of an advertisement, a message, etc.: conveyed in a manner that the viewer is unaware of being influenced by it.
- Without directed awareness or thought; subconscious (dated), unconscious.
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