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Amex

British  
/ ˈæmɛks /

acronym

  1. American Express

  2. American Stock Exchange

"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.

Amex is also the official card of the NBA, WNBA, Formula One, U.S.

From Barron's • Mar. 31, 2026

The Robinhood Platinum comes with a $695 price tag, while the Amex annual fee is significantly higher, at $895.

From MarketWatch • Mar. 5, 2026

The Amex Platinum earns Membership Rewards points, which can be transferred to airline and hotel loyalty programs — often increasing their value.

From MarketWatch • Mar. 5, 2026

And the 1-0 victory at Amex Stadium was the very definition of ugly.

From BBC • Mar. 4, 2026

Our local Baby Amex rep dropped it off himself after Doc Szandor faxed over the signed contract from the Bureau of Health.

From Eastern Standard Tribe by Doctorow, Cory

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.