Dictionary.com
Thesaurus.com

First World War

American  

noun

  1. World War I.


First World War British  

noun

  1. another name for World War I

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

A French machine-gun officer in the trenches during the First World War.

From Los Angeles Times Jun. 22, 2026

The region once belonged to the Austro-Hungarian Empire but was ceded to Italy as part of a First World War settlement.

From Barron's Feb. 2, 2026

She said she attend the event to "remember all those who lost their lives during the First World War and in subsequent conflicts".

From BBC Nov. 9, 2025

Socialist leader Eugene V. Debs was sentenced to jail in 1918 for speaking out against the First World War.

From Salon Oct. 14, 2025

Precious Angel's made of blown glass; she was a gift to my great-grandmother from a one-eyed Hungarian prince, so the story goes, at a ball in Vienna, just before the First World War.

From "Black Swan Green" by David Mitchell

Vocabulary.com logo
by dictionary.com

Just like flashcards, but way more fun

Don't take our word for it. Leave the boring studying behind and join VocabTrainer today. You'll learn even faster and never look back.

Take me to Vocabulary.com