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• think tank
  think tank

  noun

  a research institute or organization employed to solve complex problems or predict or plan future developments, as in military, political, or social areas.
• think-tank
  think-tank

  noun

  a group of specialists organized by a business enterprise, governmental body, etc, and commissioned to undertake intensive study and research into specified problems

think tank

American  

noun

• think tanks
  plural

1. a research institute or organization employed to solve complex problems or predict or plan future developments, as in military, political, or social areas.

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think-tank British  

noun

1. informal a group of specialists organized by a business enterprise, governmental body, etc, and commissioned to undertake intensive study and research into specified problems

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think tank Cultural  

1. An institution in which scholars pursue research in public policy. Largely funded by endowments and grants, think tanks work to improve public awareness of policy issues (through publications) and to influence the government to act upon issues of national importance. (See power elite.)

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think tank Idioms  

1. A group or organization dedicated to problem-solving and research, especially in such areas as technology, social or political strategy, and the military. For example, The congressional leaders rely too heavily on that conservative think tank. This term originated about 1900 as a facetious colloquialism for brain and was given its new meaning about 1950.

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Other Word Forms

Noun Inflected Forms

• think tanks
  plural

Etymology

Origin of think tank

1900–05 for earlier sense “brain”; 1955–60 for current sense

Example Sentences

See Examples For:

think tank think-tank

“This is a reminder that bypass channels aren’t infallible,” said Rachel Ziemba, an adjunct senior fellow at the Center for a New American Security, a Washington think tank.

From The Wall Street Journal ● Sep. 22, 2026

“Kim’s major concern isn’t North Korean workers getting killed,” said Peter Ward, a research fellow at the Sejong Institute, a think tank in Seoul.

From The Wall Street Journal ● Sep. 18, 2026

"There's a lot of citizen engagement," says Minna Alander, an analyst at the Stockholm Centre for Eastern European Studies think tank.

From BBC ● Sep. 17, 2026

U Min Zin, the director at a think tank focused on Myanmar, was arrested on 3 June after travelling to the Chinese city of Kunming for an academic conference.

From BBC ● Sep. 17, 2026

As an analyst for the Rand Corporation, a think tank focused on military and international issues, he had been granted permission to conduct research at the Pentagon, home of the United States Department of Defense.

From "Most Dangerous: Daniel Ellsberg and the Secret History of the Vietnam War" by Steve Sheinkin

Some think-tank analysts invited to meet the Iranian delegation said they are wary of U.S. sanctions that restrict informal policy dialogues with Tehran’s officials.

From The Wall Street Journal ● Sep. 22, 2026

The figures have been much the same for years, both at Gallup and when tracked by the Employee Benefit Research Institute, a think-tank.

From MarketWatch ● Jul. 17, 2026

In an article for conservative think-tank the American Enterprise Institute, Brett Schaefer and Roger Bate acknowledge the risk of stepping away from the multilateral system, especially the withdrawal from the WHO.

From BBC ● Jul. 7, 2026

That could see a left-wing figure like Angela Rayner or Ed Miliband joining any race, Labour's former policy director Andrew Fisher told a think-tank event this week.

From Barron's ● Jun. 18, 2026

I've been turning my think-tank on to the Hudson Bay Transport flotation.

From Swirling Waters by Max Rittenberg