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English definition of “out-”

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out-

prefix uk   /aʊt-/ us  

out- prefix (NOT CENTRAL)

used to add the meaning "not central" to nouns and adjectives: the outskirts of town (= the areas that form the edge of the town)

out- prefix (FURTHER)

used to add the meaning "going further" or "being better than" to verbs: She doesn't drink or smoke and I'm sure she'll outlive (= live longer than) us all.

out- prefix (AWAY FROM)

used to add the meaning "out of" or "away from" to nouns and adjectives: She turned away from their outstretched hands (= hands held out).
(Definition of out- prefix from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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