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Synonyms

backer

American  
[bak-er] / ˈbæk ər /

noun

  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

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.

Inspire could also be targeting a hefty market capitalization as well; private-equity backer Roark Capital has sought a valuation of around $20 billion, according to CNBC.

From MarketWatch • May 8, 2026

In any given year, that might include billionaire venture capitalist Steve Jurvetson, who was also an early Tesla and SpaceX backer and longtime Elon Musk ally, or Uber co-founder Garrett Camp.

From Slate • May 8, 2026

The business owner would like to see more investment and support "for the local community", but is also a big backer of a new M4 relief road - "100% for it," he said.

From BBC • Apr. 27, 2026

While Microsoft remains an OpenAI backer, it has worked to develop a level of technological independence from OpenAI as it builds its Copilot assistant.

From The Wall Street Journal • Apr. 27, 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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