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Synonyms

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 overhang around the partnership renewal with Amex “is behind them for the foreseeable future,” the analyst added.

From Barron's • Mar. 26, 2026

“Ultimately, the Robinhood Platinum just doesn’t come close to the value that you get with the Amex Platinum — especially if you’re an avid traveler,” Blancaflor said.

From MarketWatch • Mar. 5, 2026

“However, in terms of rewards flexibility and perks available, Amex clearly wins.”

From MarketWatch • Mar. 5, 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.