old use or literary inmost [adjective] [before noun; not gradable] - most secret and hidden, or nearest to the centreThis was the diary to which Gina committed all her innermost thoughts and secrets. [before noun]He was not one of the innermost (= most powerful) circle of presidential advisers. [before noun]
INNERMOST
Meaning of INNERMOST in English
Cambridge English vocab. Кембриджский английский словарь. 2012