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Synonyms

greenback

American  
[green-bak] / ˈgrinˌbæk /

noun

  1. a U.S. legal-tender note, printed in green on the back since the Civil War, originally issued against the credit of the country and not against gold or silver on deposit.


greenback British  
/ ˈɡriːnˌbæk /

noun

  1. informal an inconvertible legal-tender US currency note originally issued during the Civil War in 1862

  2. slang a dollar bill

"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 greenback

An Americanism dating back to 1860–65; green + back 1

Explanation

A greenback is a dollar bill. Grab some greenbacks, I hear the ice cream truck coming down our street! The slang term greenback is a little old-fashioned, but it's a perfectly good way to say "buck" or "dollar." You might ask the barista at your neighborhood cafe, "How many greenbacks do I owe you?" or tell your mom you need to borrow some greenbacks and you'll pay her back next week. The word has been used since U.S. money was first printed using green ink, in 1778.

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Vocabulary lists containing greenback

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.

Yet the greenback has only barely ticked higher.

From MarketWatch • May 15, 2026

Still, Cohen and his team at BofA Global Research see more upside to the dollar, noting that negative sentiment toward the greenback feels stretched.

From MarketWatch • May 15, 2026

In the year to date, it has depreciated over 6% versus the greenback.

From The Wall Street Journal • May 13, 2026

Finance Minister Satsuki Katayama, meanwhile, said it was time for Japan to take “bold action” to protect its currency, which has fallen nearly 25% against the greenback over the past four years.

From Barron's • Apr. 30, 2026

Even better, every other person “dropped some greenback love,” as Cool Papa would say, down into Wah-Wah Nita’s open guitar case.

From "Clayton Byrd Goes Underground" by Rita Williams-Garcia

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