subliminal

IPA: sʌbɫˈɪmɪnʌɫ

(physiology) Chiefly preceded by the: something which is below the limen or threshold of conscious perception.
(psychology) Chiefly preceded by the: the subconscious (dated) or unconscious self.
(by extension) An advertisement, a message, etc., which is conveyed in a manner that a person is unaware of being influenced by it.

(physiology) 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.
(psychology) Without directed awareness or thought; subconscious (dated), unconscious.
(by extension) Of an advertisement, a message, etc.: conveyed in a manner that a person is unaware of being influenced by it.

Examples of "subliminal" in Sentences

Then you were dying from what you called subliminal hematoma. "
CNN is always seems to be throughing in subliminal messages supporting Clinton.
When I was a small child, I thought the idea of subliminal messaging was way cool.
They thought they could sneak a subliminal message in, but they were hardly subtle enough.
I used the word subliminal because the Cruise collections are actually already in stores right now.
Critics called subliminal advertising "merchandising hypnosis" and "remote control of national thought."
A glimpse so quick that one person posted -- did I actually see Barack's white grandma or am I recalling a subliminal image?
MOOS: A glimpse so quick that one person posted, "Did I actually see Barack's white grandma or am I recalling a subliminal image?"
Although each individual sighting of a logo has only a short-term subliminal effect, researchers fear that walking daily past numerous burger bars and sandwich shops could have a cumulative "behavioural priming" effect, making people hurry whether or not they are pushed for time.