Main Entry: sub·lim·i·nal

Pronunciation: \(ˌ)sə-ˈbli-mə-n^əl\

Function: adjective

Etymology: sub- + Latin limin-, limen threshold

Date: 1886

1 : inadequate to produce a sensation or a perception
2 : existing or functioning below the threshold of consciousness <the subliminal mind> <subliminal advertising>

— sub·lim·i·nal·ly adverb