The condition of being subliminal

(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.

(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.

In a subliminal manner.

plural of subliminal

A signal or message embedded in another object, designed to pass below the normal limits of perception.

plural of subliminal message