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first world

noun, often capitalized F&W

Simple Definition of first world

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

Source: Merriam-Webster's Learner's Dictionary

Full Definition of first world

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

Origin and Etymology of first world

after third world

First Known Use: 1967

Seen and Heard

What made you want to look up first world? Please tell us where you read or heard it (including the quote, if possible).


to lessen in amount, effect, or force

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