'Innermost' definitions:

Definition of 'innermost'

adjective

Being deepest within the self; "one's innermost feelings" [syn: inmost, innermost]

adjective

Situated or occurring farthest within; "the innermost chamber" [syn: inmost, innermost]

From: GCIDE

Innermost \In"ner*most`\ ([i^]n"n[~e]r*m[=o]st`), a. [A corruption of inmost due to influence of inner. See Inmost.] Farthest inward; most remote from the outward part; inmost; deepest within. --Prov. xviii. 8. [1913 Webster]