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Synonyms

expo

American  
[ek-spoh] / ˈɛk spoʊ /

noun

(often initial capital letter)

plural

expos

  1. a world's fair or international exposition.

    Expo '67 in Montreal.

  2. any exhibition or show.

    an annual computer expo.
expo British  
/ ˈɛkspəʊ /

noun

  1. short for exposition

"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

Etymology

Origin of expo

First recorded in 1960–65; by shortening

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.

Porsche Carrera Cup autograph session, Porsche Carrera Cup paddock, main expo hall; 12:05-1 p.m.,

From Los Angeles Times • Apr. 16, 2026

The Miyako Odori began soon after Kyoto hosted Japan's first national expo -- an effort to revitalise the western city following the relocation of the capital to Tokyo in 1869.

From Barron's • Apr. 3, 2026

He couldn't be here because, um, we're getting a bearded dragon, and he went to a reptile expo in New Jersey.

From BBC • Jan. 11, 2026

The former president had been asked to deliver a keynote speech to the gathered Democrats attending the expo, and like everyone else in the theater, he had a bit of a pep in his step.

From Slate • Nov. 19, 2025

Pyongyang unveiled an array of upgraded weapons at a defense expo last week, including a short-range ballistic missile equipped with a hypersonic glide vehicle.

From The Wall Street Journal • Oct. 11, 2025

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.