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Idiom

keep brains ticking in a public arena

idiom (verb phrase)
UK /kiːp breɪnz ˈtɪkɪŋ ɪn ə ˈpʌblɪk əˈriːnə/
US /kip breɪnz ˈtɪkɪŋ ɪn ə ˈpʌblɪk əˈriːnə/

Meanings

idiom (verb phrase)

To stimulate thinking and keep people mentally engaged during a public discussion, performance, or debate.

Visual cue for keep brains ticking in a public arena — meaning 1

Visual cue for keep brains ticking in a public arena — meaning 2

Definition

To keep people mentally active and thinking clearly in a public setting where ideas are shared or debated.

To keep minds active, alert, and engaged while speaking, debating, or working in front of others. It suggests ongoing mental stimulation rather than passive listening. The phrase is often used about discussions, media, classrooms, panels, or public conversations where many people can watch or participate.

Examples

  • The host asked sharp questions to keep brains ticking in a public arena.
  • Good journalism can keep brains ticking in a public arena instead of just chasing outrage.
  • Her lecture used surprising examples to keep brains ticking in a public arena.
  • We designed the town-hall format to keep brains ticking in a public arena.