IPA: /səˈblɪmɪnəl/
KK: /səˈblɪmɪnəl/
Referring to something that exists or operates below the level of conscious awareness, often used in the context of stimuli that can influence thoughts or behaviors without being consciously perceived.
The advertisement used subliminal messages to try to influence the viewers' choices without them realizing it.
Subliminal → It is formed from "sub-" (meaning under) and "limen" (meaning threshold). The word "subliminal" refers to stimuli that are below the threshold of conscious perception, or in other words, things that are perceived subconsciously.
Think of something that is 'under' ('sub-') the 'threshold' ('limen') of your awareness — that's what subliminal means.