outermost C2+ Topic:Space, Position & Direction US /ˈaʊtɚmoʊst/ UK /ˈaʊtəməʊst/ See IPA manual Meanings 1 adj furthest from the center; most external Pluto lies in the outermost reaches of the solar system. Thesaurus Synonyms 1 adj · furthest from the center;... outmostfarthestexternalperipheralexterior ↔ Opposites innermostinmostcentralinteriorcore Word family Forms outmost Related forms outeroutoutsideutmost Etymology AI details A double superlative from 'outer' (comparative of 'out', Old English 'ut') plus the superlative suffix '-most' (from Old English '-mest'), meaning furthest out. ut Old English -mest Old English View etymology graph -> Topics Space, Position & Direction External links Cambridge Dictionary Wiktionary Google Images # outermost **Type:** Word **Level:** C2+ **Part of speech:** adj **IPA (US):** /ˈaʊtɚmoʊst/ **IPA (UK):** /ˈaʊtəməʊst/ ## Meanings 1. furthest from the center; most external ## Examples - Pluto lies in the outermost reaches of the solar system. ## Synonyms - outmost - farthest - external - peripheral - exterior ## Antonyms - innermost - inmost - central - interior - core ## Related Forms - outer - out - outside - utmost ## Roots and Affixes - Root: ut - Root: -mest ## Etymology A double superlative from 'outer' (comparative of 'out', Old English 'ut') plus the superlative suffix '-most' (from Old English '-mest'), meaning furthest out. ## AI Etymology Outermost is a double superlative from 'outer' (comparative of 'out', Old English 'ut') plus the superlative suffix '-most' (from Old English '-mest'), meaning furthest out. The etymological trail includes Old English ut and Old English -mest. As an adjective, outermost means furthest from the center; most external. The same family is visible in related forms such as outer, out, outside, and utmost. ## Topics - Space, Position & Direction markdown