innermost

American  

[in-er-mohst, -muhst] / ˈɪn ərˌmoʊst, -məst /

adjective

1. farthest inward; inmost.

2. most intimate or secret.

   one's innermost beliefs.

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noun

1. the innermost part.

innermost British  

/ ˈɪnəˌməʊst /

adjective

1. being or located furthest within; central

2. intimate; private

   innermost beliefs

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Etymology

Origin of innermost

late Middle English word dating back to 1375–1425; see origin at inner, -most

Explanation

Innermost things are located as far as possible inside or closest to the middle. The innermost part of a jelly doughnut is the where you'll find the jelly. The innermost room at your school — or the room at the very center — might be the library, and an Alaskan's innermost layer of clothing in the winter is probably her long underwear. Another way to use innermost is to mean "most intimate or private," such as your innermost beliefs, thoughts, or dreams. In Middle English, there was also an innermore.

Example Sentences

See Examples For:

innermost

If you opt for private sessions, there’s a misconception that it will involve revealing your innermost secrets, perhaps while lying on a couch, as a therapist prods you to beat back your demons.

From MarketWatch ● Jan. 7, 2026

The elder Assad, an Air Force officer, had set up Air Force Intelligence as one of the innermost layers of a system intended to coup-proof the regime.

From The Wall Street Journal ● Dec. 12, 2025

In this method, astronomers observe the star at times when both TRAPPIST-1e and TRAPPIST-1b, the system's innermost and airless planet, cross in front of the star at the same time.

From Science Daily ● Dec. 12, 2025

“God Save the Gun” became a 14-song rollercoaster with a defined narrative through Shelton’s innermost thoughts.

From Los Angeles Times ● Oct. 16, 2025

For in his secret, innermost heart, Andrew longed to be a common dog.

From "Mary Poppins" by P. L. Travers