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brain trust

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noun
a group of experts from various fields who serve as unofficial consultants on matters of policy and strategy.
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Also British, Brains Trust .

Origin of brain trust

An Americanism dating back to 1905–10

Other definitions for brain trust (2 of 2)

brain-trust
[ breyn-truhst ]
/ ˈbreɪnˌtrʌst /

verb (used with object)
to serve as a brain trust or a brain truster for: They have brain-trusted many major corporations.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use brain trust in a sentence

Cultural definitions for brain trust (1 of 2)

brain trust

A group of experts who serve as advisers to a government or an organization: “Before being appointed to the cabinet, Brown had been a leading figure in a financial brain trust.”

Cultural definitions for brain trust (2 of 2)

brain trust

A group of intellectuals and planners who act as advisers, especially to a government. The phrase is particularly associated with the presidency of Franklin D. Roosevelt.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Other Idioms and Phrases with brain trust

brain trust

A group of experts who serve as unofficial but vital advisers. For example, Each town manager seemed to have his or her own brain trust, which of course changed with every election. This term, closely associated with President Franklin Roosevelt's advisers on domestic and foreign policy in the early 1930s, was first recorded in 1910.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
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