brain truster


noun

a member of a brain trust; an important but usually unofficial adviser.

Nearby words

  1. brain stem,
  2. brain sugar,
  3. brain swelling,
  4. brain teaser,
  5. brain trust,
  6. brain up,
  7. brain wave,
  8. brain's reflex,
  9. brain-damaged,
  10. brain-dead

Origin of brain truster

First recorded in 1930–35; brain trust + -er1

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019