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Synonyms

backer

American  
[bak-er] / ˈbæk ər /

noun

backers plural
  1. a person who supports or aids a person, cause, enterprise, etc.

    Synonyms:
    helper, aide, guarantor, sponsor, supporter
  2. a person who bets on a competitor in a race or contest.

  3. canvas or other material used for backing.


backer British  
/ ˈbækə /

noun

  1. a person who gives financial or other support

  2. a person who bets on a competitor or contestant

"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

Other Word Forms

Noun Inflected Forms

Etymology

Origin of backer

First recorded in 1535–45; back 1 + -er 1

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.

“Tech has been a long backer of his, but at the same time there is this growing national outcry against data centers.”

From Los Angeles Times • Jun. 21, 2026

It was not Su’s only foray into the space industry; his company has been a high-profile backer of some of SpaceX’s Chinese competitors.

From Salon • Jun. 19, 2026

Beijing is wary of becoming over-reliant on any one country for energy and, as Russia's main economic backer, it remains in a strong position to negotiate on price.

From Barron's • May 20, 2026

OpenAI won its legal tussle with its former backer Elon Musk on Monday.

From The Wall Street Journal • May 19, 2026

Ever attuned to the ebb and flow of research funding, he recognized that the government stood to become as generous a financial backer as the medical foundations he had mined to build the sixty-inch.

From "Big Science" by Michael Hiltzik

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