brains trust: meaning, definition, pronunciation and examples

Both forms exist. 'Brain Trust' (often capitalized) is the original American term from the Roosevelt era. 'Brains trust' (usually not capitalized) is the standard modern form, especially in British English. The plural 'brains' emphasizes the collective intellect of the group.

A think tank is typically a permanent, often independent, research institution that produces reports and policy proposals. A brains trust is usually an ad-hoc or appointed group assembled by a specific leader or organization for direct consultation. A brains trust is more likely to be private and advisory, while a think tank is more public and advocacy-oriented.

Yes, it can be used metaphorically in informal contexts to refer to any group of friends or colleagues whose collective advice you seek (e.g., 'I'll ask my brains trust at the book club'). However, its primary register remains formal.

It is not an everyday word but remains in active use in journalism, political commentary, and business writing to describe a high-level advisory group. Its recognition is high due to its historical significance and media use (like the BBC show).

A group of experts who provide advice, ideas, or solutions on complex matters, especially when assembled by an organization or leader.

Brains trust: in British English it is pronounced /ˈbreɪnz trʌst/, and in American English it is pronounced /ˈbreɪnz trʌst/. Tap the audio buttons above to hear it.