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gray-matter

see definition of gray-matter
  • as ingray matter
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Synonyms for gray-matter

noun the brain
  • bean
  • brains
  • cerebrum
  • noggin
  • noodle
  • pate
  • smarts
  • upper story
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.