always used before a noun
: farthest from the center of something
The arrow hit the outermost ring on the target.
the outermost planet in our solar system
Cite this Entry
“Outermost.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/outermost. Accessed 19 Jun. 2026.
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