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trust fund

American  

noun

trust funds plural
  1. money, securities, property, etc., held in trust.

  2. a government fund administered separately from other funds and used for a specified purpose.

    a highway trust fund.


trust fund British  

noun

  1. money, securities, etc, held in trust

"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 trust fund

First recorded in 1860–65

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.

These changes reduce taxable income for many Social Security beneficiaries, who will pay less income tax on their Social Security benefits, which will result in lower revenue flowing to the trust fund.

From MarketWatch • Jul. 1, 2026

The Old-Age and Survivors Insurance trust fund pays monthly Social Security retirement benefits to eligible retired workers and their families.

From MarketWatch • Jun. 25, 2026

Like most 30-somethings, he didn’t have a trust fund or enough savings to live off dividends.

From The Wall Street Journal • Jun. 25, 2026

A new tax law, declining fertility and falling immigration are reducing revenue into the retirement trust fund.

From The Wall Street Journal • Jun. 14, 2026

He'd had this crusty old grandfather he'd never met, from Germany, who'd left his unborn grandchild a trust fund with the proviso that he be named after the old man.

From "How the García Girls Lost Their Accents" by Julia Alvarez

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