grey matter

Definitions

1. Brains; a person's ability to think.
   idiomatic, uncountable
2. Literal brains as a general substance.
   uncountable
3. A collection of cell bodies and (usually) dendritic connections, in contrast to white matter.
   uncountable

Equivalents

Examples

“"I'd better be putting my grey matter⟳ into that algebra instead of wasting it plotting for a party dress that I certainly can't get⟳."”

“"Inspector Pepys!" gasped Bernard Megger, swallowing between the words, "I shall remember⟳ you!" "You will be wasting grey matter⟳!" replied the man.”

“How many phone numbers are stored in your grey matter⟳?”

“He fell from the 5th floor. There is grey matter⟳ on the path behind his head. I'm afraid he's dead.”

CEFR level