first world

noun, often capitalized F&W
Updated on: 12 Nov 2017

Definition of first world

:the highly developed industrialized nations often considered the westernized countries of the world

Recent Examples of first world from the Web

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Origin and Etymology of first world

after third world


FIRST WORLD Defined for English Language Learners

first world

noun

Definition of first world for English Language Learners

  • : the countries of the world that have many industries and relatively few poor people : the rich nations of the world


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