the part of the mind that influences one's thoughts, feelings, and actions without one being immediately aware (conscious) of it;
e.g. I recalled memories from my subconscious when I heard a song I used to love as a child after a long time.
(adjective)
relating to the part of the mind that lies below what one is immediately aware (conscious) of but that still influences one's thoughts, feelings, and actions;
e.g. She knew by a subconscious process that something was wrong, but she couldn't describe why.