fourth world

noun, often capitalized F&W

Definition of fourth world

: a group of nations especially in Africa and Asia characterized by extremely low per capita income and an absence of valuable natural resources

First Known Use of fourth world

1974, in the meaning defined above

Learn More About fourth world

Time Traveler for fourth world

Time Traveler

The first known use of fourth world was in 1974

See more words from the same year

Dictionary Entries Near fourth world

fourth wall

fourth world

four-times accented octave

See More Nearby Entries 

Statistics for fourth world

Cite this Entry

“Fourth world.” Dictionary, Merriam-Webster, Accessed 30 Nov. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon


Test Your Vocabulary

Name that Thing: Flower Edition

Name That Thing

Test your visual vocabulary with our 10-question challenge!

Love words? Need even more definitions?

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