Innermost/ˈɪnərməʊst/ Definition 1 of 2Pro Tip 1/3Emotional Depth Describes feelings or thoughts with maximum emotional significance or sensitivity. During therapy, he explored his innermost fears. Pro Tip 2/3Privacy Level Indicates something highly private, usually not shared publicly. He wrote a letter to himself revealing his innermost thoughts. Pro Tip 3/3Depth of Detail Implies detailed, thorough exploration of a subject, place, or idea. The author delved into the innermost workings of the political system.