first world

noun, often capitalized F&W

Definition of first world

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

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


Learn More about first world


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).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

spoken rather than written

Get Word of the Day daily email!

Test Your Vocabulary

The Exceptions Quiz III

  • one-green-toy-robot-amidst-many-red-toy-robots
  • Which of these words does not mean "nonsense"?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!