in·ner·most 
/ˈɪnɚˌmoʊst/ adjective
/ˈɪnɚˌmoʊst/ adjective 1 always used before a noun : most private and personal
▪ She revealed her innermost feelings/secrets. 2 : closest to the center or inside of something
▪ Jupiter's innermost moon ▪ the innermost part of the cave — opposite outermost
▪ She revealed her innermost feelings/secrets.
▪ Jupiter's innermost moon ▪ the innermost part of the cave — opposite outermost
