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Definition of outermost
outermost
/ˈaʊtərmoʊst/
out · er · most
outermost Lexical Profile
CEFR
B2
Grade
6
Tier
2
Usage
Top 10k
Syllables
3
outermost Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adjective
1
Farthest from the center, middle, or inside; situated on the extreme outside.
Example
"The crust is the outermost solid shell of a rocky planet."
Synonyms
View all synonyms for outermost Antonyms
View all antonyms for outermost• Nearby Words
Word Origin & Etymology
Formed in Middle English as 'outermest' from 'outer' and the superlative suffix '-most', replacing Old English 'utemest'.
Cite this Entry
Wordmom. (2026). Definition of Outermost. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/outermost