outermost

[ ou-ter-mohstor, especially British, -muhst ]

adjective

1. farthest out; remotest from the interior or center:

   the outermost limits.

outermost

/ ˈaʊtəˌməʊst /

adjective

1. furthest from the centre or middle; outmost

Word History and Origins

Origin of outermost¹

Middle English word dating back to 1350–1400; outer, -most

Example Sentences

Another solution is to reduce the canopy from the top — not by topping or giving the tree a buzz cut, but by cutting back outermost branches where they meet a lower branch.

From Washington Post

The shock wave must also fight against the inward spiral of the star’s outermost layers, which are still falling onto the core.

From Quanta Magazine

For centuries, the outermost layer of Earth was thought to be static, rigid, locked in place.

From Science News

When atoms come together in solids, the outermost electron shells of neighbors overlap and form “bands” that extend throughout the material.

From Quanta Magazine

Finally, for now the electrodes can only record from the cortex—the outermost layer of the brain.

From Singularity Hub 

The bullet peeled off the outermost layer of skin during a demonstration in Zamalka.

From The Daily Beast

Reckoning that Neptune is the outermost planet of the solar system, that system would have a diameter of 5,584 millions of miles.

From Project Gutenberg

Of these coats he rightly supposes the outermost to be merely the epidermis of the middle membrane or testa.

From Project Gutenberg

The fjord below lay as smooth as a mirror, the outermost headlands and islands seeming to stand out of the water.

From Project Gutenberg

So also, in Troilus, v. 1809, by the seventh sphere he means the outermost sphere of Saturn.

From Project Gutenberg

On the outermost corner of the structure, overlooking the eddying, foaming bend of the San Juan, rose the isolated tower.

From Project Gutenberg