DictionaryAI

outermost

USOW-tur-mohst/ˈaʊtɚmoʊst/UKOW-tuh-mohst/ˈaʊtəməʊst/

Noun pluraloutermosts

2 meanings of outermost

Practice

  1. 1
    adjective
    Superlative of outer. Use it for the thing that is farthest out.

    The outermost layer of the atmosphere slowly fades into space.

    Astronomers watched the outermost planet move along its slow orbit.

    Note
  2. 2
    noun
    The part or layer that sits farthest from the center or inside.

    Like the dry outer skin of an onion, sitting on the very outside.

    Of the three nested boxes, the outermost was painted bright red.

    Only the outermost of the wrappings showed any water damage.

    Oppositeinnermost

    Note

outermost is a form of outer

outer, adjective: Found on the outside of something, not on the inside. Full entry

Forms
outeroutermost superlative
Spelling
outer → outermost: add -most

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Origin

It comes from Middle English uttermost. It is made from "outer" plus "-most."