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Definition of outmost

outmost

/ˈaʊtˌmoʊst/
out · most
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outmost Lexical Profile

outmost Game Scores & Validity

• adjective

1

Furthest from the center, middle, or inside; situated on the extreme outside.

Example

"The observatory's telescope was powerful enough to track icy bodies orbiting in the outmost reaches of the solar system."

Synonyms
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Antonyms
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Word Nuance & Usage

In contemporary English, 'outermost' is far more common than 'outmost' when referring to physical position, whereas 'utmost' (which shares the same historical origin) is standard for expressing the greatest degree or effort.

• Nearby Words

outmaneuver
outmatch
outmoded
outmost
outmuscle
outnumber
outpace

Word Origin & Etymology

From Old English 'ūtmest', a double superlative formed from 'ūt' (out) combined with the archaic superlative suffixes '-ma' and '-est'.

Cite this Entry

Wordmom. (2026). Definition of Outmost. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/outmost
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