Synonym of knowledge worker

(chiefly Britain) A group of experts who discuss events in public, especially on television or radio.

(chiefly US) Originally, a group of experts who advise a government, often informally. / More recently, any group of experts assembled to give advice.

Alternative form of brainwave

Someone who does brain surgery. / (idiomatic) Someone very intelligent.

impetuous and rash; hot-headed

(obsolete) an impetuous, fiery person; a hothead

Alternative spelling of brain-dead

(medicine) An irreversible loss of brain function and cessation of brain activity.

(medicine, not comparable) Having an irreversible loss of brain function and cessation of brain activity. / (colloquial) Having no useful thoughts; stupid; ditzy.